83896645 has 16 divisors (see below), whose sum is σ = 117508608. Its totient is φ = 56304000.

The previous prime is 83896639. The next prime is 83896661. The reversal of 83896645 is 54669838.

It is a happy number.

It is not a de Polignac number, because 83896645 - 2⁵ = 83896613 is a prime.

It is a congruent number.

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, 23856 + ... + 27145.

It is an arithmetic number, because the mean of its divisors is an integer number (7344288).

Almost surely, 2^83896645 is an apocalyptic number.

It is an amenable number.

83896645 is a deficient number, since it is larger than the sum of its proper divisors (33611963).

83896645 is a wasteful number, since it uses less digits than its factorization.

83896645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060.

The product of its digits is 1244160, while the sum is 49.

The square root of 83896645 is about 9159.5111769133. The cubic root of 83896645 is about 437.7722191574.

The spelling of 83896645 in words is "eighty-three million, eight hundred ninety-six thousand, six hundred forty-five".