3622736 has 20 divisors (see below), whose sum is σ = 7559412. Its totient is φ = 1671936.

The previous prime is 3622733. The next prime is 3622739. The reversal of 3622736 is 6372263.

3622736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3622733) and next prime (3622739).

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 1537600 = 1444^2 + 1240^2 .

It is a super-2 number, since 2×3622736² = 26248432251392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3622699 and 3622708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501 + ... + 8916.

Almost surely, 2^3622736 is an apocalyptic number.

It is an amenable number.

3622736 is an abundant number, since it is smaller than the sum of its proper divisors (3936676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3622736 is a wasteful number, since it uses less digits than its factorization.

3622736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17438 (or 17432 counting only the distinct ones).

The product of its digits is 9072, while the sum is 29.

The square root of 3622736 is about 1903.3486280763. The cubic root of 3622736 is about 153.5838542780.

Adding to 3622736 its reverse (6372263), we get a palindrome (9994999).

It can be divided in two parts, 36227 and 36, that added together give a palindrome (36263).

The spelling of 3622736 in words is "three million, six hundred twenty-two thousand, seven hundred thirty-six".