84965990 has 16 divisors (see below), whose sum is σ = 153064080. Its totient is φ = 33958560.

The previous prime is 84965987. The next prime is 84966019. The reversal of 84965990 is 9956948.

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, 13100 + ... + 18480.

It is an arithmetic number, because the mean of its divisors is an integer number (9566505).

Almost surely, 2^84965990 is an apocalyptic number.

84965990 is a deficient number, since it is larger than the sum of its proper divisors (68098090).

84965990 is a wasteful number, since it uses less digits than its factorization.

84965990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 84965990 is about 9217.6998215390. The cubic root of 84965990 is about 439.6243177548.

The spelling of 84965990 in words is "eighty-four million, nine hundred sixty-five thousand, nine hundred ninety".