90910 has 8 divisors (see below), whose sum is σ = 163656. Its totient is φ = 36360.

The previous prime is 90907. The next prime is 90911. The reversal of 90910 is 1909.

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 (90911) 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, 4536 + ... + 4555.

It is an arithmetic number, because the mean of its divisors is an integer number (20457).

2⁹⁰⁹¹⁰ is an apocalyptic number.

90910 is a deficient number, since it is larger than the sum of its proper divisors (72746).

90910 is a wasteful number, since it uses less digits than its factorization.

90910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 90910 is about 301.5128521307. The cubic root of 90910 is about 44.9645811832.

It can be divided in two parts, 909 and 10, that added together give a palindrome (919).

The spelling of 90910 in words is "ninety thousand, nine hundred ten".