874916421 has 24 divisors (see below), whose sum is σ = 1214828160. Its totient is φ = 560096368.

The previous prime is 874916417. The next prime is 874916437. The reversal of 874916421 is 124619478.

It is not a de Polignac number, because 874916421 - 2² = 874916417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874916401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16507831 + ... + 16507883.

It is an arithmetic number, because the mean of its divisors is an integer number (50617840).

Almost surely, 2^874916421 is an apocalyptic number.

It is an amenable number.

874916421 is a deficient number, since it is larger than the sum of its proper divisors (339911739).

874916421 is an frugal number, since it uses more digits than its factorization.

874916421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 103 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 874916421 is about 29578.9861388115. The cubic root of 874916421 is about 956.4351369165.

The spelling of 874916421 in words is "eight hundred seventy-four million, nine hundred sixteen thousand, four hundred twenty-one".