98090840 has 16 divisors (see below), whose sum is σ = 220704480. Its totient is φ = 39236320.

The previous prime is 98090809. The next prime is 98090849. The reversal of 98090840 is 4809089.

It is a junction number, because it is equal to n+sod(n) for n = 98090794 and 98090803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98090849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226096 + ... + 1226175.

It is an arithmetic number, because the mean of its divisors is an integer number (13794030).

Almost surely, 2^98090840 is an apocalyptic number.

It is an amenable number.

98090840 is an abundant number, since it is smaller than the sum of its proper divisors (122613640).

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

98090840 is a wasteful number, since it uses less digits than its factorization.

98090840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452282 (or 2452278 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 98090840 is about 9904.0819867366. The cubic root of 98090840 is about 461.1860382858.

The spelling of 98090840 in words is "ninety-eight million, ninety thousand, eight hundred forty".