3822920 has 32 divisors (see below), whose sum is σ = 8881920. Its totient is φ = 1479360.

The previous prime is 3822919. The next prime is 3822941. The reversal of 3822920 is 292283.

It is a super-2 number, since 2×3822920² = 29229434652800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3822920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (277560).

Almost surely, 2^3822920 is an apocalyptic number.

It is an amenable number.

3822920 is an abundant number, since it is smaller than the sum of its proper divisors (5059000).

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

3822920 is a wasteful number, since it uses less digits than its factorization.

3822920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3822920 is about 1955.2288868570. The cubic root of 3822920 is about 156.3621871639.

The spelling of 3822920 in words is "three million, eight hundred twenty-two thousand, nine hundred twenty".