84618964 has 12 divisors (see below), whose sum is σ = 152860288. Its totient is φ = 40944600.

The previous prime is 84618953. The next prime is 84618991. The reversal of 84618964 is 46981648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341082 + ... + 341329.

Almost surely, 2^84618964 is an apocalyptic number.

It is an amenable number.

84618964 is a deficient number, since it is larger than the sum of its proper divisors (68241324).

84618964 is a wasteful number, since it uses less digits than its factorization.

84618964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682446 (or 682444 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 84618964 is about 9198.8566680865. The cubic root of 84618964 is about 439.0249828820.

The spelling of 84618964 in words is "eighty-four million, six hundred eighteen thousand, nine hundred sixty-four".