874924921 has 16 divisors (see below), whose sum is σ = 958003200. Its totient is φ = 794184768.

The previous prime is 874924879. The next prime is 874924933. The reversal of 874924921 is 129429478.

874924921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 874924921 - 2¹³ = 874916729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874924961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274680 + ... + 277846.

It is an arithmetic number, because the mean of its divisors is an integer number (59875200).

Almost surely, 2^874924921 is an apocalyptic number.

It is an amenable number.

874924921 is a deficient number, since it is larger than the sum of its proper divisors (83078279).

874924921 is a wasteful number, since it uses less digits than its factorization.

874924921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528.

The product of its digits is 290304, while the sum is 46.

The square root of 874924921 is about 29579.1298215482. The cubic root of 874924921 is about 956.4382342303.

It can be divided in two parts, 8749 and 24921, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 874924921 in words is "eight hundred seventy-four million, nine hundred twenty-four thousand, nine hundred twenty-one".