98042515 has 4 divisors (see below), whose sum is σ = 117651024. Its totient is φ = 78434008.

The previous prime is 98042479. The next prime is 98042569. The reversal of 98042515 is 51524089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51524089 = 401 ⋅128489.

It is a cyclic number.

It is not a de Polignac number, because 98042515 - 2²¹ = 95945363 is a prime.

It is a super-2 number, since 2×98042515² = 19224669495050450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9804247 + ... + 9804256.

It is an arithmetic number, because the mean of its divisors is an integer number (29412756).

Almost surely, 2^98042515 is an apocalyptic number.

98042515 is a deficient number, since it is larger than the sum of its proper divisors (19608509).

98042515 is a wasteful number, since it uses less digits than its factorization.

98042515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19608508.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 98042515 is about 9901.6420355414. The cubic root of 98042515 is about 461.1102905530.

The spelling of 98042515 in words is "ninety-eight million, forty-two thousand, five hundred fifteen".