90059243 has 12 divisors (see below), whose sum is σ = 94044240. Its totient is φ = 86211216.

The previous prime is 90059227. The next prime is 90059257. The reversal of 90059243 is 34295009.

It is not a de Polignac number, because 90059243 - 2⁴ = 90059227 is a prime.

It is a super-2 number, since 2×90059243² = 16221334499466098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90059213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97538 + ... + 98456.

It is an arithmetic number, because the mean of its divisors is an integer number (7837020).

Almost surely, 2^90059243 is an apocalyptic number.

90059243 is a deficient number, since it is larger than the sum of its proper divisors (3984997).

90059243 is an equidigital number, since it uses as much as digits as its factorization.

90059243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 90059243 is about 9489.9548471002. The cubic root of 90059243 is about 448.2387834071.

The spelling of 90059243 in words is "ninety million, fifty-nine thousand, two hundred forty-three".