83996645 has 8 divisors (see below), whose sum is σ = 101360160. Its totient is φ = 66821200.

The previous prime is 83996617. The next prime is 83996683. The reversal of 83996645 is 54669938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83996645 - 2⁸ = 83996389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83996593 and 83996602.

It is a congruent number.

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, 46031 + ... + 47820.

It is an arithmetic number, because the mean of its divisors is an integer number (12670020).

Almost surely, 2^83996645 is an apocalyptic number.

It is an amenable number.

83996645 is a deficient number, since it is larger than the sum of its proper divisors (17363515).

83996645 is a wasteful number, since it uses less digits than its factorization.

83996645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94035.

The product of its digits is 1399680, while the sum is 50.

The square root of 83996645 is about 9164.9683578286. The cubic root of 83996645 is about 437.9460832418.

The spelling of 83996645 in words is "eighty-three million, nine hundred ninety-six thousand, six hundred forty-five".