90452344 has 32 divisors (see below), whose sum is σ = 173560320. Its totient is φ = 44177536.

The previous prime is 90452339. The next prime is 90452347. The reversal of 90452344 is 44325409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90452347) 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, 162114 + ... + 162670.

It is an arithmetic number, because the mean of its divisors is an integer number (5423760).

Almost surely, 2^90452344 is an apocalyptic number.

It is an amenable number.

90452344 is a deficient number, since it is larger than the sum of its proper divisors (83107976).

90452344 is a wasteful number, since it uses less digits than its factorization.

90452344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 90452344 is about 9510.6437216416. The cubic root of 90452344 is about 448.8900116337.

The spelling of 90452344 in words is "ninety million, four hundred fifty-two thousand, three hundred forty-four".