98568090 has 64 divisors (see below), whose sum is σ = 266152320. Its totient is φ = 26278992.

The previous prime is 98568011. The next prime is 98568101. The reversal of 98568090 is 9086589.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19617 + ... + 24123.

It is an arithmetic number, because the mean of its divisors is an integer number (4158630).

Almost surely, 2^98568090 is an apocalyptic number.

98568090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98568090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133076160).

98568090 is an abundant number, since it is smaller than the sum of its proper divisors (167584230).

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

98568090 is an equidigital number, since it uses as much as digits as its factorization.

98568090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 98568090 is about 9928.1463526683. The cubic root of 98568090 is about 461.9327782108.

The spelling of 98568090 in words is "ninety-eight million, five hundred sixty-eight thousand, ninety".