275900 has 36 divisors (see below), whose sum is σ = 624960. Its totient is φ = 105600.

The previous prime is 275897. The next prime is 275911. The reversal of 275900 is 9572.

It is a super-2 number, since 2×275900² = 152241620000, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3056 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (17360).

2²⁷⁵⁹⁰⁰ is an apocalyptic number.

275900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312480).

275900 is an abundant number, since it is smaller than the sum of its proper divisors (349060).

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

275900 is a wasteful number, since it uses less digits than its factorization.

275900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 275900 is about 525.2618394668. The cubic root of 275900 is about 65.1004364441.

The spelling of 275900 in words is "two hundred seventy-five thousand, nine hundred".