3620413 has 4 divisors (see below), whose sum is σ = 3718300. Its totient is φ = 3522528.

The previous prime is 3620401. The next prime is 3620437. The reversal of 3620413 is 3140263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 444889 = 1782^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 3620413 - 2¹³ = 3612221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48888 + ... + 48961.

It is an arithmetic number, because the mean of its divisors is an integer number (929575).

Almost surely, 2^3620413 is an apocalyptic number.

It is an amenable number.

3620413 is a deficient number, since it is larger than the sum of its proper divisors (97887).

3620413 is an equidigital number, since it uses as much as digits as its factorization.

3620413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97886.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3620413 is about 1902.7382899390. The cubic root of 3620413 is about 153.5510198329.

Adding to 3620413 its reverse (3140263), we get a palindrome (6760676).

It can be divided in two parts, 36 and 20413, that added together give a square (20449 = 143²).

The spelling of 3620413 in words is "three million, six hundred twenty thousand, four hundred thirteen".