98492581 has 4 divisors (see below), whose sum is σ = 107446464. Its totient is φ = 89538700.

The previous prime is 98492579. The next prime is 98492591. The reversal of 98492581 is 18529489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98492581 - 2¹ = 98492579 is a prime.

It is a super-2 number, since 2×98492581² = 19401577024083122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98492501) 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, 4476925 + ... + 4476946.

It is an arithmetic number, because the mean of its divisors is an integer number (26861616).

Almost surely, 2^98492581 is an apocalyptic number.

It is an amenable number.

98492581 is a deficient number, since it is larger than the sum of its proper divisors (8953883).

98492581 is a wasteful number, since it uses less digits than its factorization.

98492581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8953882.

The product of its digits is 207360, while the sum is 46.

The square root of 98492581 is about 9924.3428497810. The cubic root of 98492581 is about 461.8147921138.

The spelling of 98492581 in words is "ninety-eight million, four hundred ninety-two thousand, five hundred eighty-one".