30925490 has 8 divisors (see below), whose sum is σ = 55665900. Its totient is φ = 12370192.

The previous prime is 30925463. The next prime is 30925519. The reversal of 30925490 is 9452903.

It can be written as a sum of positive squares in 2 ways, for example, as 29735209 + 1190281 = 5453^2 + 1091^2 .

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

It is an alternating number because its digits alternate between odd and even.

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, 1546265 + ... + 1546284.

Almost surely, 2^30925490 is an apocalyptic number.

30925490 is a deficient number, since it is larger than the sum of its proper divisors (24740410).

30925490 is a wasteful number, since it uses less digits than its factorization.

30925490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092556.

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

The square root of 30925490 is about 5561.0691418108. The cubic root of 30925490 is about 313.8861813128.

The spelling of 30925490 in words is "thirty million, nine hundred twenty-five thousand, four hundred ninety".