98555331 has 16 divisors (see below), whose sum is σ = 150430464. Its totient is φ = 56223264.

The previous prime is 98555297. The next prime is 98555333. The reversal of 98555331 is 13355589.

It is a happy number.

It is not a de Polignac number, because 98555331 - 2¹⁷ = 98424259 is a prime.

It is a super-2 number, since 2×98555331² = 19426306537039122, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 98555331.

It is not an unprimeable number, because it can be changed into a prime (98555333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10120 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (9401904).

Almost surely, 2^98555331 is an apocalyptic number.

98555331 is a deficient number, since it is larger than the sum of its proper divisors (51875133).

98555331 is a wasteful number, since it uses less digits than its factorization.

98555331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850.

The product of its digits is 81000, while the sum is 39.

The square root of 98555331 is about 9927.5037647940. The cubic root of 98555331 is about 461.9128459500.

The spelling of 98555331 in words is "ninety-eight million, five hundred fifty-five thousand, three hundred thirty-one".