90979443 has 24 divisors (see below), whose sum is σ = 139467328. Its totient is φ = 59235624.

The previous prime is 90979439. The next prime is 90979453. The reversal of 90979443 is 34497909.

It is not a de Polignac number, because 90979443 - 2² = 90979439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90979403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6096 + ... + 14802.

Almost surely, 2^90979443 is an apocalyptic number.

90979443 is a deficient number, since it is larger than the sum of its proper divisors (48487885).

90979443 is an equidigital number, since it uses as much as digits as its factorization.

90979443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8765 (or 8753 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 90979443 is about 9538.3144737422. The cubic root of 90979443 is about 449.7602723130.

The spelling of 90979443 in words is "ninety million, nine hundred seventy-nine thousand, four hundred forty-three".