98891315 has 4 divisors (see below), whose sum is σ = 118669584. Its totient is φ = 79113048.

The previous prime is 98891311. The next prime is 98891327. The reversal of 98891315 is 51319889.

It is a happy number.

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 98891315 - 2² = 98891311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98891311) 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, 9889127 + ... + 9889136.

It is an arithmetic number, because the mean of its divisors is an integer number (29667396).

Almost surely, 2^98891315 is an apocalyptic number.

98891315 is a deficient number, since it is larger than the sum of its proper divisors (19778269).

98891315 is a wasteful number, since it uses less digits than its factorization.

98891315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19778268.

The product of its digits is 77760, while the sum is 44.

The square root of 98891315 is about 9944.4112445132. The cubic root of 98891315 is about 462.4371514308.

The spelling of 98891315 in words is "ninety-eight million, eight hundred ninety-one thousand, three hundred fifteen".