84639796 has 24 divisors (see below), whose sum is σ = 153386240. Its totient is φ = 40824000.

The previous prime is 84639791. The next prime is 84639803. The reversal of 84639796 is 69793648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84639791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46096 + ... + 47896.

Almost surely, 2^84639796 is an apocalyptic number.

It is an amenable number.

84639796 is a deficient number, since it is larger than the sum of its proper divisors (68746444).

84639796 is a wasteful number, since it uses less digits than its factorization.

84639796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2213 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 84639796 is about 9199.9889130368. The cubic root of 84639796 is about 439.0610071867.

The spelling of 84639796 in words is "eighty-four million, six hundred thirty-nine thousand, seven hundred ninety-six".