83935172 has 12 divisors (see below), whose sum is σ = 147459900. Its totient is φ = 41803776.

The previous prime is 83935169. The next prime is 83935177. The reversal of 83935172 is 27153938.

It can be written as a sum of positive squares in 2 ways, for example, as 78251716 + 5683456 = 8846^2 + 2384^2 .

It is a super-2 number, since 2×83935172² = 14090226197339168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83935177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39797 + ... + 41852.

It is an arithmetic number, because the mean of its divisors is an integer number (12288325).

Almost surely, 2^83935172 is an apocalyptic number.

It is an amenable number.

83935172 is a deficient number, since it is larger than the sum of its proper divisors (63524728).

83935172 is a wasteful number, since it uses less digits than its factorization.

83935172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81910 (or 81908 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 83935172 is about 9161.6140499368. The cubic root of 83935172 is about 437.8392201251.

The spelling of 83935172 in words is "eighty-three million, nine hundred thirty-five thousand, one hundred seventy-two".