3642836 has 6 divisors (see below), whose sum is σ = 6374970. Its totient is φ = 1821416.

The previous prime is 3642833. The next prime is 3642839. The reversal of 3642836 is 6382463.

It is an interprime number because it is at equal distance from previous prime (3642833) and next prime (3642839).

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 10000 = 1906^2 + 100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455351 + ... + 455358.

It is an arithmetic number, because the mean of its divisors is an integer number (1062495).

Almost surely, 2^3642836 is an apocalyptic number.

It is an amenable number.

3642836 is a deficient number, since it is larger than the sum of its proper divisors (2732134).

3642836 is a wasteful number, since it uses less digits than its factorization.

3642836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910713 (or 910711 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 3642836 is about 1908.6214920722. The cubic root of 3642836 is about 153.8673733039.

The spelling of 3642836 in words is "three million, six hundred forty-two thousand, eight hundred thirty-six".