30955190 has 16 divisors (see below), whose sum is σ = 63679392. Its totient is φ = 10613184.

The previous prime is 30955189. The next prime is 30955213. The reversal of 30955190 is 9155903.

It is a super-2 number, since 2×30955190² = 1916447575872200, 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, 221039 + ... + 221178.

It is an arithmetic number, because the mean of its divisors is an integer number (3979962).

Almost surely, 2^30955190 is an apocalyptic number.

30955190 is an abundant number, since it is smaller than the sum of its proper divisors (32724202).

30955190 is a wasteful number, since it uses less digits than its factorization.

30955190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442231.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 30955190 is about 5563.7388508089. The cubic root of 30955190 is about 313.9866317486.

The spelling of 30955190 in words is "thirty million, nine hundred fifty-five thousand, one hundred ninety".