90738893 has 8 divisors (see below), whose sum is σ = 103811520. Its totient is φ = 77693760.

The previous prime is 90738827. The next prime is 90738899. The reversal of 90738893 is 39883709.

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

It is a cyclic number.

It is not a de Polignac number, because 90738893 - 2¹⁴ = 90722509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90738899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773 + ... + 13493.

It is an arithmetic number, because the mean of its divisors is an integer number (12976440).

Almost surely, 2^90738893 is an apocalyptic number.

It is an amenable number.

90738893 is a deficient number, since it is larger than the sum of its proper divisors (13072627).

90738893 is a wasteful number, since it uses less digits than its factorization.

90738893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 90738893 is about 9525.6964574775. The cubic root of 90738893 is about 449.3635331461.

The spelling of 90738893 in words is "ninety million, seven hundred thirty-eight thousand, eight hundred ninety-three".