90620 has 24 divisors (see below), whose sum is σ = 199584. Its totient is φ = 34496.

The previous prime is 90619. The next prime is 90631. The reversal of 90620 is 2609.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362 + ... + 558.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

2⁹⁰⁶²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99792).

90620 is an abundant number, since it is smaller than the sum of its proper divisors (108964).

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

90620 is a wasteful number, since it uses less digits than its factorization.

90620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 90620 is about 301.0315598073. The cubic root of 90620 is about 44.9167183936.

The spelling of 90620 in words is "ninety thousand, six hundred twenty".