98639764 has 12 divisors (see below), whose sum is σ = 176634304. Its totient is φ = 48172824.

The previous prime is 98639753. The next prime is 98639777. The reversal of 98639764 is 46793689.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286572 + ... + 286915.

Almost surely, 2^98639764 is an apocalyptic number.

It is an amenable number.

98639764 is a deficient number, since it is larger than the sum of its proper divisors (77994540).

98639764 is a wasteful number, since it uses less digits than its factorization.

98639764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573534 (or 573532 counting only the distinct ones).

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

The square root of 98639764 is about 9931.7553332732. The cubic root of 98639764 is about 462.0447162231.

The spelling of 98639764 in words is "ninety-eight million, six hundred thirty-nine thousand, seven hundred sixty-four".