98157940 has 12 divisors (see below), whose sum is σ = 206131716. Its totient is φ = 39263168.

The previous prime is 98157937. The next prime is 98157959. The reversal of 98157940 is 4975189.

It can be written as a sum of positive squares in 2 ways, for example, as 22014864 + 76143076 = 4692^2 + 8726^2 .

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, 2453929 + ... + 2453968.

It is an arithmetic number, because the mean of its divisors is an integer number (17177643).

Almost surely, 2^98157940 is an apocalyptic number.

It is an amenable number.

98157940 is an abundant number, since it is smaller than the sum of its proper divisors (107973776).

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

98157940 is a wasteful number, since it uses less digits than its factorization.

98157940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907906 (or 4907904 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 98157940 is about 9907.4688997746. The cubic root of 98157940 is about 461.2911739255.

The spelling of 98157940 in words is "ninety-eight million, one hundred fifty-seven thousand, nine hundred forty".