276347492 has 12 divisors (see below), whose sum is σ = 489042540. Its totient is φ = 136621056.

The previous prime is 276347473. The next prime is 276347497. The reversal of 276347492 is 294743672.

It can be written as a sum of positive squares in 2 ways, for example, as 59845696 + 216501796 = 7736^2 + 14714^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (276347497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387773 + ... + 388484.

It is an arithmetic number, because the mean of its divisors is an integer number (40753545).

Almost surely, 2^276347492 is an apocalyptic number.

It is an amenable number.

276347492 is a deficient number, since it is larger than the sum of its proper divisors (212695048).

276347492 is a wasteful number, since it uses less digits than its factorization.

276347492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776350 (or 776348 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The square root of 276347492 is about 16623.7027163024. The cubic root of 276347492 is about 651.3561366847.

The spelling of 276347492 in words is "two hundred seventy-six million, three hundred forty-seven thousand, four hundred ninety-two".