985402375 has 16 divisors (see below), whose sum is σ = 1240682976. Its totient is φ = 781334400.

The previous prime is 985402367. The next prime is 985402391. The reversal of 985402375 is 573204589.

It is not a de Polignac number, because 985402375 - 2³ = 985402367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20757 + ... + 49006.

It is an arithmetic number, because the mean of its divisors is an integer number (77542686).

Almost surely, 2^985402375 is an apocalyptic number.

985402375 is a deficient number, since it is larger than the sum of its proper divisors (255280601).

985402375 is a wasteful number, since it uses less digits than its factorization.

985402375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69891 (or 69881 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 985402375 is about 31391.1193651963. The cubic root of 985402375 is about 995.1102543582.

The spelling of 985402375 in words is "nine hundred eighty-five million, four hundred two thousand, three hundred seventy-five".