98291623 has 4 divisors (see below), whose sum is σ = 98336088. Its totient is φ = 98247160.

The previous prime is 98291597. The next prime is 98291723. The reversal of 98291623 is 32619289.

It is a happy number.

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 98291623 - 2¹³ = 98283431 is a prime.

It is a super-2 number, since 2×98291623² = 19322486303948258, 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 (98291423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18733 + ... + 23398.

It is an arithmetic number, because the mean of its divisors is an integer number (24584022).

Almost surely, 2^98291623 is an apocalyptic number.

98291623 is a deficient number, since it is larger than the sum of its proper divisors (44465).

98291623 is a wasteful number, since it uses less digits than its factorization.

98291623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44464.

The product of its digits is 46656, while the sum is 40.

The square root of 98291623 is about 9914.2131810850. The cubic root of 98291623 is about 461.5004924114.

The spelling of 98291623 in words is "ninety-eight million, two hundred ninety-one thousand, six hundred twenty-three".