275799906 has 48 divisors (see below), whose sum is σ = 608661144. Its totient is φ = 90243072.

The previous prime is 275799899. The next prime is 275799911. The reversal of 275799906 is 609997572.

It can be written as a sum of positive squares in 4 ways, for example, as 262731681 + 13068225 = 16209^2 + 3615^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238626 + ... + 239778.

Almost surely, 2^275799906 is an apocalyptic number.

275799906 is an abundant number, since it is smaller than the sum of its proper divisors (332861238).

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

275799906 is a wasteful number, since it uses less digits than its factorization.

275799906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 275799906 is about 16607.2245122417. The cubic root of 275799906 is about 650.9256287725.

The spelling of 275799906 in words is "two hundred seventy-five million, seven hundred ninety-nine thousand, nine hundred six".