98081831 has 4 divisors (see below), whose sum is σ = 98648952. Its totient is φ = 97514712.

The previous prime is 98081813. The next prime is 98081833. The reversal of 98081831 is 13818089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98081831 - 2²⁶ = 30972967 is a prime.

It is a super-2 number, since 2×98081831² = 19240091144625122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98081833) 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, 283301 + ... + 283646.

It is an arithmetic number, because the mean of its divisors is an integer number (24662238).

Almost surely, 2^98081831 is an apocalyptic number.

98081831 is a deficient number, since it is larger than the sum of its proper divisors (567121).

98081831 is a wasteful number, since it uses less digits than its factorization.

98081831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567120.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 98081831 is about 9903.6271638224. The cubic root of 98081831 is about 461.1719188830.

The spelling of 98081831 in words is "ninety-eight million, eighty-one thousand, eight hundred thirty-one".