276993 has 8 divisors (see below), whose sum is σ = 410400. Its totient is φ = 184644.

The previous prime is 276977. The next prime is 277003. The reversal of 276993 is 399672.

It is not a de Polignac number, because 276993 - 2⁴ = 276977 is a prime.

276993 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 276993.

It is not an unprimeable number, because it can be changed into a prime (276953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5103 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2²⁷⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

276993 is a deficient number, since it is larger than the sum of its proper divisors (133407).

276993 is a wasteful number, since it uses less digits than its factorization.

276993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268 (or 10262 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 276993 is about 526.3012445359. The cubic root of 276993 is about 65.1862900402.

The spelling of 276993 in words is "two hundred seventy-six thousand, nine hundred ninety-three".