90814 has 8 divisors (see below), whose sum is σ = 144288. Its totient is φ = 42720.

The previous prime is 90803. The next prime is 90821. The reversal of 90814 is 41809.

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

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (18036).

2⁹⁰⁸¹⁴ is an apocalyptic number.

90814 is a deficient number, since it is larger than the sum of its proper divisors (53474).

90814 is a wasteful number, since it uses less digits than its factorization.

90814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 90814 is about 301.3536128869. The cubic root of 90814 is about 44.9487482344.

The spelling of 90814 in words is "ninety thousand, eight hundred fourteen".