30941664 has 48 divisors (see below), whose sum is σ = 87473232. Its totient is φ = 9520128.

The previous prime is 30941663. The next prime is 30941681. The reversal of 30941664 is 46614903.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30941663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11149 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (1822359).

Almost surely, 2^30941664 is an apocalyptic number.

It is an amenable number.

30941664 is an abundant number, since it is smaller than the sum of its proper divisors (56531568).

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

30941664 is a wasteful number, since it uses less digits than its factorization.

30941664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24819 (or 24811 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30941664 is about 5562.5231684911. The cubic root of 30941664 is about 313.9408924944.

The spelling of 30941664 in words is "thirty million, nine hundred forty-one thousand, six hundred sixty-four".