30930190 has 16 divisors (see below), whose sum is σ = 55828080. Its totient is φ = 12337920.

The previous prime is 30930143. The next prime is 30930203. The reversal of 30930190 is 9103903.

It is a super-2 number, since 2×30930190² = 1913353306872200, which contains 22 as substring.

It is a congruent number.

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, 291 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (3489255).

Almost surely, 2^30930190 is an apocalyptic number.

30930190 is a deficient number, since it is larger than the sum of its proper divisors (24897890).

30930190 is a wasteful number, since it uses less digits than its factorization.

30930190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 30930190 is about 5561.4917063680. The cubic root of 30930190 is about 313.9020817919.

The spelling of 30930190 in words is "thirty million, nine hundred thirty thousand, one hundred ninety".