30988092 has 48 divisors (see below), whose sum is σ = 75382272. Its totient is φ = 9898560.

The previous prime is 30988091. The next prime is 30988117. The reversal of 30988092 is 29088903.

It is a self number, because there is not a number n which added to its sum of digits gives 30988092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30988091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31033 + ... + 32015.

It is an arithmetic number, because the mean of its divisors is an integer number (1570464).

Almost surely, 2^30988092 is an apocalyptic number.

It is an amenable number.

30988092 is an abundant number, since it is smaller than the sum of its proper divisors (44394180).

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

30988092 is a wasteful number, since it uses less digits than its factorization.

30988092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 30988092 is about 5566.6948901480. The cubic root of 30988092 is about 314.0978369041.

The spelling of 30988092 in words is "thirty million, nine hundred eighty-eight thousand, ninety-two".