98993351 has 4 divisors (see below), whose sum is σ = 99137304. Its totient is φ = 98849400.

The previous prime is 98993341. The next prime is 98993369. The reversal of 98993351 is 15339989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98993351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98993296 and 98993305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98993341) 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, 70940 + ... + 72321.

It is an arithmetic number, because the mean of its divisors is an integer number (24784326).

Almost surely, 2^98993351 is an apocalyptic number.

98993351 is a deficient number, since it is larger than the sum of its proper divisors (143953).

98993351 is a wasteful number, since it uses less digits than its factorization.

98993351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143952.

The product of its digits is 262440, while the sum is 47.

The square root of 98993351 is about 9949.5402406342. The cubic root of 98993351 is about 462.5961442197.

The spelling of 98993351 in words is "ninety-eight million, nine hundred ninety-three thousand, three hundred fifty-one".