276404 has 12 divisors (see below), whose sum is σ = 495264. Its totient is φ = 134904.

The previous prime is 276401. The next prime is 276439. The reversal of 276404 is 404672.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 276404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (41272).

2²⁷⁶⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

276404 is a deficient number, since it is larger than the sum of its proper divisors (218860).

276404 is a wasteful number, since it uses less digits than its factorization.

276404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 276404 is about 525.7413812893. The cubic root of 276404 is about 65.1400530458.

The spelling of 276404 in words is "two hundred seventy-six thousand, four hundred four".