3925490 has 8 divisors (see below), whose sum is σ = 7065900. Its totient is φ = 1570192.

The previous prime is 3925489. The next prime is 3925541. The reversal of 3925490 is 945293.

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 32761 = 1973^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196265 + ... + 196284.

Almost surely, 2^3925490 is an apocalyptic number.

3925490 is a deficient number, since it is larger than the sum of its proper divisors (3140410).

3925490 is a wasteful number, since it uses less digits than its factorization.

3925490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392556.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3925490 is about 1981.2849366005. The cubic root of 3925490 is about 157.7482772694.

The spelling of 3925490 in words is "three million, nine hundred twenty-five thousand, four hundred ninety".