30885532 has 12 divisors (see below), whose sum is σ = 57229200. Its totient is φ = 14534336.

The previous prime is 30885529. The next prime is 30885539. The reversal of 30885532 is 23558803.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30885539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227032 + ... + 227167.

It is an arithmetic number, because the mean of its divisors is an integer number (4769100).

Almost surely, 2^30885532 is an apocalyptic number.

It is an amenable number.

30885532 is a deficient number, since it is larger than the sum of its proper divisors (26343668).

30885532 is a wasteful number, since it uses less digits than its factorization.

30885532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454220 (or 454218 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 30885532 is about 5557.4753260811. The cubic root of 30885532 is about 313.7509350617.

The spelling of 30885532 in words is "thirty million, eight hundred eighty-five thousand, five hundred thirty-two".