276988 has 6 divisors (see below), whose sum is σ = 484736. Its totient is φ = 138492.

The previous prime is 276977. The next prime is 277003. The reversal of 276988 is 889672.

It is a self number, because there is not a number n which added to its sum of digits gives 276988.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34620 + ... + 34627.

2²⁷⁶⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

276988 is a deficient number, since it is larger than the sum of its proper divisors (207748).

276988 is a wasteful number, since it uses less digits than its factorization.

276988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69251 (or 69249 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 276988 is about 526.2964943832. The cubic root of 276988 is about 65.1858978119.

The spelling of 276988 in words is "two hundred seventy-six thousand, nine hundred eighty-eight".