276538630 has 32 divisors (see below), whose sum is σ = 509086944. Its totient is φ = 108116736.

The previous prime is 276538627. The next prime is 276538667. The reversal of 276538630 is 36835672.

It is a super-2 number, since 2×276538630² = 152947227764553800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 165057 + ... + 166723.

It is an arithmetic number, because the mean of its divisors is an integer number (15908967).

Almost surely, 2^276538630 is an apocalyptic number.

276538630 is a deficient number, since it is larger than the sum of its proper divisors (232548314).

276538630 is a wasteful number, since it uses less digits than its factorization.

276538630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 276538630 is about 16629.4506824489. The cubic root of 276538630 is about 651.5062740061.

The spelling of 276538630 in words is "two hundred seventy-six million, five hundred thirty-eight thousand, six hundred thirty".