98573815 has 4 divisors (see below), whose sum is σ = 118288584. Its totient is φ = 78859048.

The previous prime is 98573807. The next prime is 98573821. The reversal of 98573815 is 51837589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51837589 = 4673 ⋅11093.

It is a cyclic number.

It is not a de Polignac number, because 98573815 - 2³ = 98573807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9857377 + ... + 9857386.

It is an arithmetic number, because the mean of its divisors is an integer number (29572146).

Almost surely, 2^98573815 is an apocalyptic number.

98573815 is a deficient number, since it is larger than the sum of its proper divisors (19714769).

98573815 is a wasteful number, since it uses less digits than its factorization.

98573815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19714768.

The product of its digits is 302400, while the sum is 46.

The square root of 98573815 is about 9928.4346701784. The cubic root of 98573815 is about 461.9417213145.

The spelling of 98573815 in words is "ninety-eight million, five hundred seventy-three thousand, eight hundred fifteen".