89998451 has 4 divisors (see below), whose sum is σ = 90655512. Its totient is φ = 89341392.

The previous prime is 89998439. The next prime is 89998453. The reversal of 89998451 is 15489998.

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

It is a cyclic number.

It is not a de Polignac number, because 89998451 - 2⁶ = 89998387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89998393 and 89998402.

It is not an unprimeable number, because it can be changed into a prime (89998453) 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, 328325 + ... + 328598.

It is an arithmetic number, because the mean of its divisors is an integer number (22663878).

Almost surely, 2^89998451 is an apocalyptic number.

89998451 is a deficient number, since it is larger than the sum of its proper divisors (657061).

89998451 is a wasteful number, since it uses less digits than its factorization.

89998451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657060.

The product of its digits is 933120, while the sum is 53.

The square root of 89998451 is about 9486.7513406856. The cubic root of 89998451 is about 448.1379036425.

The spelling of 89998451 in words is "eighty-nine million, nine hundred ninety-eight thousand, four hundred fifty-one".