90485693 has 4 divisors (see below), whose sum is σ = 91085088. Its totient is φ = 89886300.

The previous prime is 90485641. The next prime is 90485719. The reversal of 90485693 is 39658409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90485693 - 2¹² = 90481597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90485093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299471 + ... + 299772.

It is an arithmetic number, because the mean of its divisors is an integer number (22771272).

Almost surely, 2^90485693 is an apocalyptic number.

It is an amenable number.

90485693 is a deficient number, since it is larger than the sum of its proper divisors (599395).

90485693 is a wasteful number, since it uses less digits than its factorization.

90485693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599394.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 90485693 is about 9512.3968062734. The cubic root of 90485693 is about 448.9451721485.

It can be divided in two parts, 9048 and 5693, that added together give a palindrome (14741).

The spelling of 90485693 in words is "ninety million, four hundred eighty-five thousand, six hundred ninety-three".