3620812 has 24 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 1657536.

The previous prime is 3620803. The next prime is 3620819. The reversal of 3620812 is 2180263.

It is a super-2 number, since 2×3620812² = 26220559078688, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3620819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114 + ... + 9502.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

Almost surely, 2^3620812 is an apocalyptic number.

It is an amenable number.

3620812 is a deficient number, since it is larger than the sum of its proper divisors (3258788).

3620812 is a wasteful number, since it uses less digits than its factorization.

3620812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3620812 is about 1902.8431359416. The cubic root of 3620812 is about 153.5566604975.

The spelling of 3620812 in words is "three million, six hundred twenty thousand, eight hundred twelve".