90323684 has 24 divisors (see below), whose sum is σ = 174222048. Its totient is φ = 40631040.

The previous prime is 90323683. The next prime is 90323699. The reversal of 90323684 is 48632309.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90323683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6314 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (7259252).

Almost surely, 2^90323684 is an apocalyptic number.

It is an amenable number.

90323684 is a deficient number, since it is larger than the sum of its proper divisors (83898364).

90323684 is a wasteful number, since it uses less digits than its factorization.

90323684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275 (or 21273 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 90323684 is about 9503.8773140229. The cubic root of 90323684 is about 448.6770759546.

The spelling of 90323684 in words is "ninety million, three hundred twenty-three thousand, six hundred eighty-four".