275888928 has 96 divisors (see below), whose sum is σ = 830269440. Its totient is φ = 78577920.

The previous prime is 275888923. The next prime is 275888969. The reversal of 275888928 is 829888572.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×275888928² = 152229401185978368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275888923) 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, 383353 + ... + 384071.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^275888928 is an apocalyptic number.

275888928 is a gapful number since it is divisible by the number (28) 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 275888928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415134720).

275888928 is an abundant number, since it is smaller than the sum of its proper divisors (554380512).

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

275888928 is a wasteful number, since it uses less digits than its factorization.

275888928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1302 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 57.

The square root of 275888928 is about 16609.9045150777. The cubic root of 275888928 is about 650.9956559511.

The spelling of 275888928 in words is "two hundred seventy-five million, eight hundred eighty-eight thousand, nine hundred twenty-eight".