30895164 has 36 divisors (see below), whose sum is σ = 81493776. Its totient is φ = 9850368.

The previous prime is 30895157. The next prime is 30895177. The reversal of 30895164 is 46159803.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30895164² = 1909022317173792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17829 + ... + 19484.

It is an arithmetic number, because the mean of its divisors is an integer number (2263716).

Almost surely, 2^30895164 is an apocalyptic number.

It is an amenable number.

30895164 is an abundant number, since it is smaller than the sum of its proper divisors (50598612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30895164 is a wasteful number, since it uses less digits than its factorization.

30895164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37346 (or 37341 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 30895164 is about 5558.3418390740. The cubic root of 30895164 is about 313.7835472560.

The spelling of 30895164 in words is "thirty million, eight hundred ninety-five thousand, one hundred sixty-four".