98522391 has 16 divisors (see below), whose sum is σ = 150848640. Its totient is φ = 56567520.

The previous prime is 98522383. The next prime is 98522393. The reversal of 98522391 is 19322589.

It is not a de Polignac number, because 98522391 - 2³ = 98522383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98522393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77940 + ... + 79193.

It is an arithmetic number, because the mean of its divisors is an integer number (9428040).

Almost surely, 2^98522391 is an apocalyptic number.

98522391 is a deficient number, since it is larger than the sum of its proper divisors (52326249).

98522391 is a wasteful number, since it uses less digits than its factorization.

98522391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157166.

The product of its digits is 38880, while the sum is 39.

The square root of 98522391 is about 9925.8445988238. The cubic root of 98522391 is about 461.8613787371.

The spelling of 98522391 in words is "ninety-eight million, five hundred twenty-two thousand, three hundred ninety-one".