98442090 has 48 divisors (see below), whose sum is σ = 260301600. Its totient is φ = 25804896.

The previous prime is 98442083. The next prime is 98442101. The reversal of 98442090 is 9024489.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3960 + ... + 14579.

It is an arithmetic number, because the mean of its divisors is an integer number (5422950).

Almost surely, 2^98442090 is an apocalyptic number.

98442090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

98442090 is an abundant number, since it is smaller than the sum of its proper divisors (161859510).

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

98442090 is a wasteful number, since it uses less digits than its factorization.

98442090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611 (or 18608 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 98442090 is about 9921.7987280533. The cubic root of 98442090 is about 461.7358640834.

The spelling of 98442090 in words is "ninety-eight million, four hundred forty-two thousand, ninety".