98138315 has 8 divisors (see below), whose sum is σ = 128472048. Its totient is φ = 71373280.

The previous prime is 98138311. The next prime is 98138329. The reversal of 98138315 is 51383189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98138315 - 2² = 98138311 is a prime.

It is a super-2 number, since 2×98138315² = 19262257742078450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98138311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892112 + ... + 892221.

It is an arithmetic number, because the mean of its divisors is an integer number (16059006).

Almost surely, 2^98138315 is an apocalyptic number.

98138315 is a deficient number, since it is larger than the sum of its proper divisors (30333733).

98138315 is a wasteful number, since it uses less digits than its factorization.

98138315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784349.

The product of its digits is 25920, while the sum is 38.

The square root of 98138315 is about 9906.4784358520. The cubic root of 98138315 is about 461.2604294516.

The spelling of 98138315 in words is "ninety-eight million, one hundred thirty-eight thousand, three hundred fifteen".