90441213 has 8 divisors (see below), whose sum is σ = 120792000. Its totient is φ = 60192288.

The previous prime is 90441193. The next prime is 90441217. The reversal of 90441213 is 31214409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90441213 - 2¹⁷ = 90310141 is a prime.

It is a super-2 number, since 2×90441213² = 16359226017822738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90441217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23368 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (15099000).

Almost surely, 2^90441213 is an apocalyptic number.

It is an amenable number.

90441213 is a deficient number, since it is larger than the sum of its proper divisors (30350787).

90441213 is a wasteful number, since it uses less digits than its factorization.

90441213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50931.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 90441213 is about 9510.0585171701. The cubic root of 90441213 is about 448.8715975183.

The spelling of 90441213 in words is "ninety million, four hundred forty-one thousand, two hundred thirteen".