90363894 has 8 divisors (see below), whose sum is σ = 180727800. Its totient is φ = 30121296.

The previous prime is 90363883. The next prime is 90363899. The reversal of 90363894 is 49836309.

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

90363894 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90363899) 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, 7530319 + ... + 7530330.

It is an arithmetic number, because the mean of its divisors is an integer number (22590975).

Almost surely, 2^90363894 is an apocalyptic number.

90363894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90363894 is a wasteful number, since it uses less digits than its factorization.

90363894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060654.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 90363894 is about 9505.9925310301. The cubic root of 90363894 is about 448.7436462712.

The spelling of 90363894 in words is "ninety million, three hundred sixty-three thousand, eight hundred ninety-four".