98681431 has 16 divisors (see below), whose sum is σ = 106419456. Its totient is φ = 91276416.

The previous prime is 98681423. The next prime is 98681467. The reversal of 98681431 is 13418689.

It is a cyclic number.

It is not a de Polignac number, because 98681431 - 2³ = 98681423 is a prime.

It is a super-2 number, since 2×98681431² = 19476049648415522, 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 (98681731) 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, 111316 + ... + 112198.

It is an arithmetic number, because the mean of its divisors is an integer number (6651216).

Almost surely, 2^98681431 is an apocalyptic number.

98681431 is a deficient number, since it is larger than the sum of its proper divisors (7738025).

98681431 is a wasteful number, since it uses less digits than its factorization.

98681431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its digits is 41472, while the sum is 40.

The square root of 98681431 is about 9933.8527772461. The cubic root of 98681431 is about 462.1097654022.

The spelling of 98681431 in words is "ninety-eight million, six hundred eighty-one thousand, four hundred thirty-one".