30486924 has 54 divisors (see below), whose sum is σ = 83464836. Its totient is φ = 9378720.

The previous prime is 30486923. The next prime is 30486931. The reversal of 30486924 is 42968403.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30486923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3579 + ... + 8589.

Almost surely, 2^30486924 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 30486924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41732418).

30486924 is an abundant number, since it is smaller than the sum of its proper divisors (52977912).

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

30486924 is a wasteful number, since it uses less digits than its factorization.

30486924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30486924 is about 5521.4965362662. The cubic root of 30486924 is about 312.3953322001.

The spelling of 30486924 in words is "thirty million, four hundred eighty-six thousand, nine hundred twenty-four".