98235231 has 32 divisors (see below), whose sum is σ = 146603520. Its totient is φ = 58189824.

The previous prime is 98235227. The next prime is 98235233. The reversal of 98235231 is 13253289.

It is not a de Polignac number, because 98235231 - 2² = 98235227 is a prime.

It is a super-2 number, since 2×98235231² = 19300321219246722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98235192 and 98235201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98235233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96855 + ... + 97863.

It is an arithmetic number, because the mean of its divisors is an integer number (4581360).

Almost surely, 2^98235231 is an apocalyptic number.

98235231 is the 6269-th centered pentagonal number.

98235231 is a deficient number, since it is larger than the sum of its proper divisors (48368289).

98235231 is a wasteful number, since it uses less digits than its factorization.

98235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its digits is 12960, while the sum is 33.

The square root of 98235231 is about 9911.3687753004. The cubic root of 98235231 is about 461.4122179699.

The spelling of 98235231 in words is "ninety-eight million, two hundred thirty-five thousand, two hundred thirty-one".