3620902 has 4 divisors (see below), whose sum is σ = 5431356. Its totient is φ = 1810450.

The previous prime is 3620879. The next prime is 3620909. The reversal of 3620902 is 2090263.

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

It is a super-2 number, since 2×3620902² = 26221862587208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905224 + ... + 905227.

It is an arithmetic number, because the mean of its divisors is an integer number (1357839).

Almost surely, 2^3620902 is an apocalyptic number.

3620902 is a deficient number, since it is larger than the sum of its proper divisors (1810454).

3620902 is a wasteful number, since it uses less digits than its factorization.

3620902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810453.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3620902 is about 1902.8667846174. The cubic root of 3620902 is about 153.5579327706.

The spelling of 3620902 in words is "three million, six hundred twenty thousand, nine hundred two".