90624943 has 4 divisors (see below), whose sum is σ = 95955840. Its totient is φ = 85294048.

The previous prime is 90624923. The next prime is 90624967. The reversal of 90624943 is 34942609.

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 90624943 - 2²⁵ = 57070511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90624923) 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 3 ways as a sum of consecutive naturals, for example, 2665423 + ... + 2665456.

It is an arithmetic number, because the mean of its divisors is an integer number (23988960).

Almost surely, 2^90624943 is an apocalyptic number.

90624943 is a deficient number, since it is larger than the sum of its proper divisors (5330897).

90624943 is a wasteful number, since it uses less digits than its factorization.

90624943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330896.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 90624943 is about 9519.7133885427. The cubic root of 90624943 is about 449.1753506138.

The spelling of 90624943 in words is "ninety million, six hundred twenty-four thousand, nine hundred forty-three".