90458012 has 12 divisors (see below), whose sum is σ = 166633320. Its totient is φ = 42848496.

The previous prime is 90458009. The next prime is 90458041. The reversal of 90458012 is 21085409.

It is a congruent number.

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, 595043 + ... + 595194.

It is an arithmetic number, because the mean of its divisors is an integer number (13886110).

Almost surely, 2^90458012 is an apocalyptic number.

It is an amenable number.

90458012 is a deficient number, since it is larger than the sum of its proper divisors (76175308).

90458012 is a wasteful number, since it uses less digits than its factorization.

90458012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190260 (or 1190258 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 90458012 is about 9510.9416989066. The cubic root of 90458012 is about 448.8993876776.

The spelling of 90458012 in words is "ninety million, four hundred fifty-eight thousand, twelve".