276396 has 24 divisors (see below), whose sum is σ = 666624. Its totient is φ = 89040.

The previous prime is 276389. The next prime is 276401. The reversal of 276396 is 693672.

276396 = 79² + 80² + ... + 109².

276396 is a nontrivial binomial coefficient, being equal to C(744, 2).

It is an unprimeable number.

276396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (27776).

2²⁷⁶³⁹⁶ is an apocalyptic number.

276396 is the 743-rd triangular number and also the 372-nd hexagonal number.

It is an amenable number.

276396 is an abundant number, since it is smaller than the sum of its proper divisors (390228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276396 is a wasteful number, since it uses less digits than its factorization.

276396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 779 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 276396 is about 525.7337729307. The cubic root of 276396 is about 65.1394245872.

The spelling of 276396 in words is "two hundred seventy-six thousand, three hundred ninety-six".