90659894 has 8 divisors (see below), whose sum is σ = 146450640. Its totient is φ = 41843016.

The previous prime is 90659893. The next prime is 90659909. The reversal of 90659894 is 49895609.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90659893) 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, 1743434 + ... + 1743485.

It is an arithmetic number, because the mean of its divisors is an integer number (18306330).

Almost surely, 2^90659894 is an apocalyptic number.

90659894 is a deficient number, since it is larger than the sum of its proper divisors (55790746).

90659894 is a wasteful number, since it uses less digits than its factorization.

90659894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486934.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 90659894 is about 9521.5489286145. The cubic root of 90659894 is about 449.2330871463.

The spelling of 90659894 in words is "ninety million, six hundred fifty-nine thousand, eight hundred ninety-four".