275972986 has 16 divisors (see below), whose sum is σ = 436181760. Its totient is φ = 130593600.

The previous prime is 275972971. The next prime is 275972989. The reversal of 275972986 is 689279572.

It is a super-2 number, since 2×275972986² = 152322178003512392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275972989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42615 + ... + 48661.

It is an arithmetic number, because the mean of its divisors is an integer number (27261360).

Almost surely, 2^275972986 is an apocalyptic number.

275972986 is a deficient number, since it is larger than the sum of its proper divisors (160208774).

275972986 is a wasteful number, since it uses less digits than its factorization.

275972986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269.

The product of its digits is 3810240, while the sum is 55.

The square root of 275972986 is about 16612.4346800823. The cubic root of 275972986 is about 651.0617644833.

The spelling of 275972986 in words is "two hundred seventy-five million, nine hundred seventy-two thousand, nine hundred eighty-six".