98618508 has 18 divisors (see below), whose sum is σ = 249285764. Its totient is φ = 32872824.

The previous prime is 98618501. The next prime is 98618519. The reversal of 98618508 is 80581689.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×98618508² = 19451220240292128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98618501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1369666 + ... + 1369737.

Almost surely, 2^98618508 is an apocalyptic number.

It is an amenable number.

98618508 is an abundant number, since it is smaller than the sum of its proper divisors (150667256).

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

98618508 is a wasteful number, since it uses less digits than its factorization.

98618508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739413 (or 2739408 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 98618508 is about 9930.6851727361. The cubic root of 98618508 is about 462.0115249838.

The spelling of 98618508 in words is "ninety-eight million, six hundred eighteen thousand, five hundred eight".