98788590 has 24 divisors (see below), whose sum is σ = 256850568. Its totient is φ = 26343600.

The previous prime is 98788589. The next prime is 98788621. The reversal of 98788590 is 9588789.

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, 548736 + ... + 548915.

It is an arithmetic number, because the mean of its divisors is an integer number (10702107).

Almost surely, 2^98788590 is an apocalyptic number.

98788590 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

98788590 is an abundant number, since it is smaller than the sum of its proper divisors (158061978).

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

98788590 is a wasteful number, since it uses less digits than its factorization.

98788590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097664 (or 1097661 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 98788590 is about 9939.2449411412. The cubic root of 98788590 is about 462.2769745256.

The spelling of 98788590 in words is "ninety-eight million, seven hundred eighty-eight thousand, five hundred ninety".