276340856 has 16 divisors (see below), whose sum is σ = 565242840. Its totient is φ = 125609440.

The previous prime is 276340849. The next prime is 276340859. The reversal of 276340856 is 658043672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276340859) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1570031 + ... + 1570206.

Almost surely, 2^276340856 is an apocalyptic number.

It is an amenable number.

276340856 is an abundant number, since it is smaller than the sum of its proper divisors (288901984).

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

276340856 is a wasteful number, since it uses less digits than its factorization.

276340856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140254 (or 3140250 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 276340856 is about 16623.5031205820. The cubic root of 276340856 is about 651.3509229181.

The spelling of 276340856 in words is "two hundred seventy-six million, three hundred forty thousand, eight hundred fifty-six".