30692088 has 128 divisors (see below), whose sum is σ = 99532800. Its totient is φ = 8581248.

The previous prime is 30692071. The next prime is 30692099. The reversal of 30692088 is 88029603.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79945 + ... + 80327.

It is an arithmetic number, because the mean of its divisors is an integer number (777600).

Almost surely, 2^30692088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30692088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49766400).

30692088 is an abundant number, since it is smaller than the sum of its proper divisors (68840712).

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

30692088 is a wasteful number, since it uses less digits than its factorization.

30692088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30692088 is about 5540.0440431462. The cubic root of 30692088 is about 313.0945285705.

The spelling of 30692088 in words is "thirty million, six hundred ninety-two thousand, eighty-eight".