98603640 has 48 divisors (see below), whose sum is σ = 320463000. Its totient is φ = 26294208.

The previous prime is 98603639. The next prime is 98603657. The reversal of 98603640 is 4630689.

98603640 is a `hidden beast` number, since 9 + 8 + 6 + 0 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 98603595 and 98603604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136590 + ... + 137309.

Almost surely, 2^98603640 is an apocalyptic number.

98603640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98603640 is an abundant number, since it is smaller than the sum of its proper divisors (221859360).

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

98603640 is a wasteful number, since it uses less digits than its factorization.

98603640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273916 (or 273909 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 98603640 is about 9929.9365556886. The cubic root of 98603640 is about 461.9883057702.

The spelling of 98603640 in words is "ninety-eight million, six hundred three thousand, six hundred forty".