874128938 has 16 divisors (see below), whose sum is σ = 1401575616. Its totient is φ = 407864160.

The previous prime is 874128923. The next prime is 874128971. The reversal of 874128938 is 839821478.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229856 + ... + 233627.

It is an arithmetic number, because the mean of its divisors is an integer number (87598476).

Almost surely, 2^874128938 is an apocalyptic number.

874128938 is a deficient number, since it is larger than the sum of its proper divisors (527446678).

874128938 is a wasteful number, since it uses less digits than its factorization.

874128938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463549.

The product of its digits is 774144, while the sum is 50.

The square root of 874128938 is about 29565.6716142218. The cubic root of 874128938 is about 956.1480990252.

The spelling of 874128938 in words is "eight hundred seventy-four million, one hundred twenty-eight thousand, nine hundred thirty-eight".