276981330 has 16 divisors (see below), whose sum is σ = 664755264. Its totient is φ = 73861680.

The previous prime is 276981329. The next prime is 276981359. The reversal of 276981330 is 33189672.

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, 4616326 + ... + 4616385.

It is an arithmetic number, because the mean of its divisors is an integer number (41547204).

Almost surely, 2^276981330 is an apocalyptic number.

276981330 is an abundant number, since it is smaller than the sum of its proper divisors (387773934).

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

276981330 is a wasteful number, since it uses less digits than its factorization.

276981330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232721.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 276981330 is about 16642.7560818513. The cubic root of 276981330 is about 651.8537457216.

The spelling of 276981330 in words is "two hundred seventy-six million, nine hundred eighty-one thousand, three hundred thirty".