90929 has 4 divisors (see below), whose sum is σ = 92160. Its totient is φ = 89700.

The previous prime is 90917. The next prime is 90931. The reversal of 90929 is 92909.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92909 = 53 ⋅1753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90929 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90989) 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, 497 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (23040).

2⁹⁰⁹²⁹ is an apocalyptic number.

It is an amenable number.

90929 is a deficient number, since it is larger than the sum of its proper divisors (1231).

90929 is a wasteful number, since it uses less digits than its factorization.

90929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 90929 is about 301.5443582626. The cubic root of 90929 is about 44.9677134662.

The spelling of 90929 in words is "ninety thousand, nine hundred twenty-nine".