83634874 has 16 divisors (see below), whose sum is σ = 129099528. Its totient is φ = 40606272.

The previous prime is 83634857. The next prime is 83634899. The reversal of 83634874 is 47843638.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82719025 + 915849 = 9095^2 + 957^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83634874.

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, 55272 + ... + 56764.

Almost surely, 2^83634874 is an apocalyptic number.

83634874 is a deficient number, since it is larger than the sum of its proper divisors (45464654).

83634874 is a wasteful number, since it uses less digits than its factorization.

83634874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289.

The product of its digits is 387072, while the sum is 43.

The square root of 83634874 is about 9145.2104404437. The cubic root of 83634874 is about 437.3164382591.

The spelling of 83634874 in words is "eighty-three million, six hundred thirty-four thousand, eight hundred seventy-four".