99342515 has 4 divisors (see below), whose sum is σ = 119211024. Its totient is φ = 79474008.

The previous prime is 99342499. The next prime is 99342517. The reversal of 99342515 is 51524399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51524399 = 17 ⋅3030847.

It is a cyclic number.

It is not a de Polignac number, because 99342515 - 2⁴ = 99342499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99342517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9934247 + ... + 9934256.

It is an arithmetic number, because the mean of its divisors is an integer number (29802756).

Almost surely, 2^99342515 is an apocalyptic number.

99342515 is a deficient number, since it is larger than the sum of its proper divisors (19868509).

99342515 is a wasteful number, since it uses less digits than its factorization.

99342515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868508.

The product of its digits is 48600, while the sum is 38.

The square root of 99342515 is about 9967.0715358123. The cubic root of 99342515 is about 463.1393873968.

The spelling of 99342515 in words is "ninety-nine million, three hundred forty-two thousand, five hundred fifteen".