98731816 has 8 divisors (see below), whose sum is σ = 185122170. Its totient is φ = 49365904.

The previous prime is 98731811. The next prime is 98731817. The reversal of 98731816 is 61813789.

It can be written as a sum of positive squares in only one way, i.e., 91278916 + 7452900 = 9554^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (98731811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170731 + ... + 6170746.

Almost surely, 2^98731816 is an apocalyptic number.

It is an amenable number.

98731816 is a deficient number, since it is larger than the sum of its proper divisors (86390354).

98731816 is a wasteful number, since it uses less digits than its factorization.

98731816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341483 (or 12341479 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 98731816 is about 9936.3884787180. The cubic root of 98731816 is about 462.1884003886.

The spelling of 98731816 in words is "ninety-eight million, seven hundred thirty-one thousand, eight hundred sixteen".