276856332 has 12 divisors (see below), whose sum is σ = 645998136. Its totient is φ = 92285440.

The previous prime is 276856331. The next prime is 276856337. The reversal of 276856332 is 233658672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (276856331) 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, 11535669 + ... + 11535692.

It is an arithmetic number, because the mean of its divisors is an integer number (53833178).

Almost surely, 2^276856332 is an apocalyptic number.

It is an amenable number.

276856332 is an abundant number, since it is smaller than the sum of its proper divisors (369141804).

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

276856332 is a wasteful number, since it uses less digits than its factorization.

276856332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23071368 (or 23071366 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 276856332 is about 16639.0003305487. Note that the first 3 decimals coincide. The cubic root of 276856332 is about 651.7556733177.

The spelling of 276856332 in words is "two hundred seventy-six million, eight hundred fifty-six thousand, three hundred thirty-two".