98989040 has 20 divisors (see below), whose sum is σ = 230149704. Its totient is φ = 39595584.

The previous prime is 98989039. The next prime is 98989057. The reversal of 98989040 is 4098989.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618602 + ... + 618761.

Almost surely, 2^98989040 is an apocalyptic number.

It is an amenable number.

98989040 is an abundant number, since it is smaller than the sum of its proper divisors (131160664).

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

98989040 is a wasteful number, since it uses less digits than its factorization.

98989040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237376 (or 1237370 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 98989040 is about 9949.3235950993. The cubic root of 98989040 is about 462.5894290181.

The spelling of 98989040 in words is "ninety-eight million, nine hundred eighty-nine thousand, forty".