98640624 has 40 divisors (see below), whose sum is σ = 260753152. Its totient is φ = 32114880.

The previous prime is 98640623. The next prime is 98640671. The reversal of 98640624 is 42604689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98640623) 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, 21832 + ... + 25959.

Almost surely, 2^98640624 is an apocalyptic number.

It is an amenable number.

98640624 is an abundant number, since it is smaller than the sum of its proper divisors (162112528).

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

98640624 is a wasteful number, since it uses less digits than its factorization.

98640624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47845 (or 47839 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 98640624 is about 9931.7986286473. The cubic root of 98640624 is about 462.0460590125.

The spelling of 98640624 in words is "ninety-eight million, six hundred forty thousand, six hundred twenty-four".