874396590 has 16 divisors (see below), whose sum is σ = 2098551888. Its totient is φ = 233172416.

The previous prime is 874396531. The next prime is 874396591. The reversal of 874396590 is 95693478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874396591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14573247 + ... + 14573306.

It is an arithmetic number, because the mean of its divisors is an integer number (131159493).

Almost surely, 2^874396590 is an apocalyptic number.

874396590 is an abundant number, since it is smaller than the sum of its proper divisors (1224155298).

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

874396590 is a wasteful number, since it uses less digits than its factorization.

874396590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29146563.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 874396590 is about 29570.1976658933. The cubic root of 874396590 is about 956.2456776258.

The spelling of 874396590 in words is "eight hundred seventy-four million, three hundred ninety-six thousand, five hundred ninety".