921049024 has 56 divisors (see below), whose sum is σ = 2093333888. Its totient is φ = 393880320.

The previous prime is 921048983. The next prime is 921049027. The reversal of 921049024 is 420940129.

It is a happy number.

921049024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×921049024² = 1696662609222705152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921049027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232339 + ... + 236269.

Almost surely, 2^921049024 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 921049024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046666944).

921049024 is an abundant number, since it is smaller than the sum of its proper divisors (1172284864).

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

921049024 is a wasteful number, since it uses less digits than its factorization.

921049024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 921049024 is about 30348.7894981002. The cubic root of 921049024 is about 972.9583484947.

The spelling of 921049024 in words is "nine hundred twenty-one million, forty-nine thousand, twenty-four".