30244864 has 64 divisors (see below), whose sum is σ = 66059280. Its totient is φ = 13762560.

The previous prime is 30244861. The next prime is 30244897. The reversal of 30244864 is 46844203.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425949 + ... + 426019.

Almost surely, 2^30244864 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 30244864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33029640).

30244864 is an abundant number, since it is smaller than the sum of its proper divisors (35814416).

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

30244864 is an frugal number, since it uses more digits than its factorization.

30244864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 30244864 is about 5499.5330710889. The cubic root of 30244864 is about 311.5663491119.

The spelling of 30244864 in words is "thirty million, two hundred forty-four thousand, eight hundred sixty-four".