90344458 has 16 divisors (see below), whose sum is σ = 138562560. Its totient is φ = 44165376.

The previous prime is 90344453. The next prime is 90344459. The reversal of 90344458 is 85444309.

It is not an unprimeable number, because it can be changed into a prime (90344453) 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, 20791 + ... + 24757.

It is an arithmetic number, because the mean of its divisors is an integer number (8660160).

Almost surely, 2^90344458 is an apocalyptic number.

90344458 is a deficient number, since it is larger than the sum of its proper divisors (48218102).

90344458 is a wasteful number, since it uses less digits than its factorization.

90344458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 90344458 is about 9504.9701735460. The cubic root of 90344458 is about 448.7114711530.

The spelling of 90344458 in words is "ninety million, three hundred forty-four thousand, four hundred fifty-eight".