3925090 has 32 divisors (see below), whose sum is σ = 7706160. Its totient is φ = 1430784.

The previous prime is 3925087. The next prime is 3925091. The reversal of 3925090 is 905293.

It can be written as a sum of positive squares in 8 ways, for example, as 717409 + 3207681 = 847^2 + 1791^2 .

It is not an unprimeable number, because it can be changed into a prime (3925091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14032 + ... + 14308.

Almost surely, 2^3925090 is an apocalyptic number.

3925090 is a deficient number, since it is larger than the sum of its proper divisors (3781070).

3925090 is a wasteful number, since it uses less digits than its factorization.

3925090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 3925090 is about 1981.1839894366. The cubic root of 3925090 is about 157.7429190037.

It can be divided in two parts, 39250 and 90, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 3925090 in words is "three million, nine hundred twenty-five thousand, ninety".