275981396 has 12 divisors (see below), whose sum is σ = 494199552. Its totient is φ = 134781528.

The previous prime is 275981311. The next prime is 275981399. The reversal of 275981396 is 693189572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275981399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802100 + ... + 802443.

It is an arithmetic number, because the mean of its divisors is an integer number (41183296).

Almost surely, 2^275981396 is an apocalyptic number.

It is an amenable number.

275981396 is a deficient number, since it is larger than the sum of its proper divisors (218218156).

275981396 is a wasteful number, since it uses less digits than its factorization.

275981396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604590 (or 1604588 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 275981396 is about 16612.6878017978. The cubic root of 275981396 is about 651.0683779009.

The spelling of 275981396 in words is "two hundred seventy-five million, nine hundred eighty-one thousand, three hundred ninety-six".