276426 has 16 divisors (see below), whose sum is σ = 614400. Its totient is φ = 92124.

The previous prime is 276401. The next prime is 276439. The reversal of 276426 is 624672.

It is a super-2 number, since 2×276426² = 152822666952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 276426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2506 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (38400).

2²⁷⁶⁴²⁶ is an apocalyptic number.

276426 is an abundant number, since it is smaller than the sum of its proper divisors (337974).

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

276426 is a wasteful number, since it uses less digits than its factorization.

276426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130 (or 5124 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 276426 is about 525.7623037077. The cubic root of 276426 is about 65.1417812446.

The spelling of 276426 in words is "two hundred seventy-six thousand, four hundred twenty-six".