30661484 has 48 divisors (see below), whose sum is σ = 65415168. Its totient is φ = 12289728.

The previous prime is 30661471. The next prime is 30661513. The reversal of 30661484 is 48416603.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30661484.

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, 29762 + ... + 30774.

It is an arithmetic number, because the mean of its divisors is an integer number (1362816).

Almost surely, 2^30661484 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 30661484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32707584).

30661484 is an abundant number, since it is smaller than the sum of its proper divisors (34753684).

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

30661484 is a wasteful number, since it uses less digits than its factorization.

30661484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 30661484 is about 5537.2812823623. The cubic root of 30661484 is about 312.9904286525.

The spelling of 30661484 in words is "thirty million, six hundred sixty-one thousand, four hundred eighty-four".