96598981 has 4 divisors (see below), whose sum is σ = 102281292. Its totient is φ = 90916672.

The previous prime is 96598973. The next prime is 96598987. The reversal of 96598981 is 18989569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18989569 = 19 ⋅999451.

It can be written as a sum of positive squares in 2 ways, for example, as 36784225 + 59814756 = 6065^2 + 7734^2 .

It is a cyclic number.

It is not a de Polignac number, because 96598981 - 2³ = 96598973 is a prime.

It is a super-2 number, since 2×96598981² = 18662726260476722, 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 (96598987) 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, 2841130 + ... + 2841163.

It is an arithmetic number, because the mean of its divisors is an integer number (25570323).

Almost surely, 2^96598981 is an apocalyptic number.

It is an amenable number.

96598981 is a deficient number, since it is larger than the sum of its proper divisors (5682311).

96598981 is a wasteful number, since it uses less digits than its factorization.

96598981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682310.

The product of its digits is 1399680, while the sum is 55.

The square root of 96598981 is about 9828.4780612260. The cubic root of 96598981 is about 458.8360316987.

Subtracting from 96598981 its product of digits (1399680), we obtain a triangular number (95199301 = T₁₃₇₉₈).

It can be divided in two parts, 96598 and 981, that added together give a palindrome (97579).

The spelling of 96598981 in words is "ninety-six million, five hundred ninety-eight thousand, nine hundred eighty-one".