974085905 has 16 divisors (see below), whose sum is σ = 1259472144. Its totient is φ = 718951680.

The previous prime is 974085869. The next prime is 974085919. The reversal of 974085905 is 509580479.

It can be written as a sum of positive squares in 8 ways, for example, as 99760144 + 874325761 = 9988^2 + 29569^2 .

It is not a de Polignac number, because 974085905 - 2⁶ = 974085841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974085905.

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, 226475 + ... + 230735.

It is an arithmetic number, because the mean of its divisors is an integer number (78717009).

Almost surely, 2^974085905 is an apocalyptic number.

It is an amenable number.

974085905 is a deficient number, since it is larger than the sum of its proper divisors (285386239).

974085905 is a wasteful number, since it uses less digits than its factorization.

974085905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 974085905 is about 31210.3493251838. The cubic root of 974085905 is about 991.2862596043.

The spelling of 974085905 in words is "nine hundred seventy-four million, eighty-five thousand, nine hundred five".