90060638 has 8 divisors (see below), whose sum is σ = 135140832. Its totient is φ = 45013696.

The previous prime is 90060637. The next prime is 90060667. The reversal of 90060638 is 83606009.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90060638² = 16221837033934088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90060637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (16892604).

Almost surely, 2^90060638 is an apocalyptic number.

90060638 is a deficient number, since it is larger than the sum of its proper divisors (45080194).

90060638 is a wasteful number, since it uses less digits than its factorization.

90060638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16626.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90060638 is about 9490.0283455846. The cubic root of 90060638 is about 448.2410977721.

The spelling of 90060638 in words is "ninety million, sixty thousand, six hundred thirty-eight".