98715840 has 56 divisors (see below), whose sum is σ = 313425840. Its totient is φ = 26323968.

The previous prime is 98715829. The next prime is 98715847. The reversal of 98715840 is 4851789.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 98715792 and 98715801.

It is not an unprimeable number, because it can be changed into a prime (98715847) 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, 50455 + ... + 52374.

It is an arithmetic number, because the mean of its divisors is an integer number (5596890).

Almost surely, 2^98715840 is an apocalyptic number.

It is an amenable number.

98715840 is an abundant number, since it is smaller than the sum of its proper divisors (214710000).

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

98715840 is a wasteful number, since it uses less digits than its factorization.

98715840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102849 (or 102839 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 98715840 is about 9935.5845323765. The cubic root of 98715840 is about 462.1634698225.

The spelling of 98715840 in words is "ninety-eight million, seven hundred fifteen thousand, eight hundred forty".