90328012 has 12 divisors (see below), whose sum is σ = 158638536. Its totient is φ = 45002720.

The previous prime is 90328003. The next prime is 90328039. The reversal of 90328012 is 21082309.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39058 + ... + 41305.

It is an arithmetic number, because the mean of its divisors is an integer number (13219878).

Almost surely, 2^90328012 is an apocalyptic number.

It is an amenable number.

90328012 is a deficient number, since it is larger than the sum of its proper divisors (68310524).

90328012 is a wasteful number, since it uses less digits than its factorization.

90328012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80648 (or 80646 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 90328012 is about 9504.1050078374. The cubic root of 90328012 is about 448.6842421938.

The spelling of 90328012 in words is "ninety million, three hundred twenty-eight thousand, twelve".