98564540 has 24 divisors (see below), whose sum is σ = 207183312. Its totient is φ = 39388160.

The previous prime is 98564539. The next prime is 98564551. The reversal of 98564540 is 4546589.

It is a happy number.

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, 29852 + ... + 32988.

It is an arithmetic number, because the mean of its divisors is an integer number (8632638).

Almost surely, 2^98564540 is an apocalyptic number.

It is an amenable number.

98564540 is an abundant number, since it is smaller than the sum of its proper divisors (108618772).

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

98564540 is a wasteful number, since it uses less digits than its factorization.

98564540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 98564540 is about 9927.9675664257. The cubic root of 98564540 is about 461.9272325315.

The spelling of 98564540 in words is "ninety-eight million, five hundred sixty-four thousand, five hundred forty".