98640888 has 32 divisors (see below), whose sum is σ = 248088960. Its totient is φ = 32682080.

The previous prime is 98640869. The next prime is 98640929. The reversal of 98640888 is 88804689.

It is a self number, because there is not a number n which added to its sum of digits gives 98640888.

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, 8298 + ... + 16313.

It is an arithmetic number, because the mean of its divisors is an integer number (7752780).

Almost surely, 2^98640888 is an apocalyptic number.

It is an amenable number.

98640888 is an abundant number, since it is smaller than the sum of its proper divisors (149448072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98640888 is a wasteful number, since it uses less digits than its factorization.

98640888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24787 (or 24783 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The square root of 98640888 is about 9931.8119192824. The cubic root of 98640888 is about 462.0464712161.

The spelling of 98640888 in words is "ninety-eight million, six hundred forty thousand, eight hundred eighty-eight".