3925120 has 32 divisors (see below), whose sum is σ = 9385020. Its totient is φ = 1569792.

The previous prime is 3925109. The next prime is 3925123. The reversal of 3925120 is 215293.

It can be written as a sum of positive squares in 2 ways, for example, as 3717184 + 207936 = 1928^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 3925091 and 3925100.

It is not an unprimeable number, because it can be changed into a prime (3925123) 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, 2427 + ... + 3706.

Almost surely, 2^3925120 is an apocalyptic number.

It is an amenable number.

3925120 is an abundant number, since it is smaller than the sum of its proper divisors (5459900).

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

3925120 is an equidigital number, since it uses as much as digits as its factorization.

3925120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152 (or 6140 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3925120 is about 1981.1915606523. The cubic root of 3925120 is about 157.7433208863.

The spelling of 3925120 in words is "three million, nine hundred twenty-five thousand, one hundred twenty".