275946 has 32 divisors (see below), whose sum is σ = 623808. Its totient is φ = 80640.

The previous prime is 275941. The next prime is 275963. The reversal of 275946 is 649572.

It is a super-2 number, since 2×275946² = 152292389832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (275941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (19494).

275946 is a Friedman number, since it can be written as 6^7-95*42, using all its digits and the basic arithmetic operations.

2²⁷⁵⁹⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311904).

275946 is an abundant number, since it is smaller than the sum of its proper divisors (347862).

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

275946 is a wasteful number, since it uses less digits than its factorization.

275946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its digits is 15120, while the sum is 33.

The square root of 275946 is about 525.3056253268. The cubic root of 275946 is about 65.1040542448.

It can be divided in two parts, 275 and 946, that added together give a palindrome (1221).

The spelling of 275946 in words is "two hundred seventy-five thousand, nine hundred forty-six".