98720454 has 32 divisors (see below), whose sum is σ = 228510720. Its totient is φ = 27847872.

The previous prime is 98720423. The next prime is 98720471. The reversal of 98720454 is 45402789.

It is a super-2 number, since 2×98720454² = 19491456075932232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11559 + ... + 18194.

It is an arithmetic number, because the mean of its divisors is an integer number (7140960).

Almost surely, 2^98720454 is an apocalyptic number.

98720454 is an abundant number, since it is smaller than the sum of its proper divisors (129790266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98720454 is a wasteful number, since it uses less digits than its factorization.

98720454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29844.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 98720454 is about 9935.8167253628. The cubic root of 98720454 is about 462.1706702510.

The spelling of 98720454 in words is "ninety-eight million, seven hundred twenty thousand, four hundred fifty-four".