90343664 has 30 divisors (see below), whose sum is σ = 179467680. Its totient is φ = 44056960.

The previous prime is 90343657. The next prime is 90343667. The reversal of 90343664 is 46634309.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90343667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25217 + ... + 28575.

It is an arithmetic number, because the mean of its divisors is an integer number (5982256).

Almost surely, 2^90343664 is an apocalyptic number.

It is an amenable number.

90343664 is a deficient number, since it is larger than the sum of its proper divisors (89124016).

90343664 is a wasteful number, since it uses less digits than its factorization.

90343664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449 (or 3402 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 90343664 is about 9504.9284058324. The cubic root of 90343664 is about 448.7101566361.

The spelling of 90343664 in words is "ninety million, three hundred forty-three thousand, six hundred sixty-four".