30484656 has 60 divisors (see below), whose sum is σ = 88079680. Its totient is φ = 9832320.

The previous prime is 30484639. The next prime is 30484661. The reversal of 30484656 is 65648403.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30484656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1050 + ... + 7878.

Almost surely, 2^30484656 is an apocalyptic number.

30484656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30484656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44039840).

30484656 is an abundant number, since it is smaller than the sum of its proper divisors (57595024).

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

30484656 is a wasteful number, since it uses less digits than its factorization.

30484656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874 (or 6865 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 30484656 is about 5521.2911533445. The cubic root of 30484656 is about 312.3875853796.

The spelling of 30484656 in words is "thirty million, four hundred eighty-four thousand, six hundred fifty-six".