983471665 has 12 divisors (see below), whose sum is σ = 1297208052. Its totient is φ = 715251680.

The previous prime is 983471659. The next prime is 983471681. The reversal of 983471665 is 566174389.

It can be written as a sum of positive squares in 2 ways, for example, as 183656704 + 799814961 = 13552^2 + 28281^2 .

It is not a de Polignac number, because 983471665 - 2⁷ = 983471537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812182 + ... + 813391.

It is an arithmetic number, because the mean of its divisors is an integer number (108100671).

Almost surely, 2^983471665 is an apocalyptic number.

It is an amenable number.

983471665 is a deficient number, since it is larger than the sum of its proper divisors (313736387).

983471665 is a wasteful number, since it uses less digits than its factorization.

983471665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625600 (or 1625589 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 983471665 is about 31360.3517996849. The cubic root of 983471665 is about 994.4599191842.

The spelling of 983471665 in words is "nine hundred eighty-three million, four hundred seventy-one thousand, six hundred sixty-five".