30487296 has 144 divisors (see below), whose sum is σ = 95364864. Its totient is φ = 8466432.

The previous prime is 30487277. The next prime is 30487309. The reversal of 30487296 is 69278403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284875 + ... + 284981.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

Almost surely, 2^30487296 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 30487296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47682432).

30487296 is an abundant number, since it is smaller than the sum of its proper divisors (64877568).

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

30487296 is a wasteful number, since it uses less digits than its factorization.

30487296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 30487296 is about 5521.5302226828. The cubic root of 30487296 is about 312.3966028060.

The spelling of 30487296 in words is "thirty million, four hundred eighty-seven thousand, two hundred ninety-six".