276285988 has 12 divisors (see below), whose sum is σ = 527455152. Its totient is φ = 125584520.

The previous prime is 276285983. The next prime is 276286009. The reversal of 276285988 is 889582672.

It is a happy number.

It is a super-2 number, since 2×276285988² = 152667894330272288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276285983) 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, 3139570 + ... + 3139657.

It is an arithmetic number, because the mean of its divisors is an integer number (43954596).

Almost surely, 2^276285988 is an apocalyptic number.

It is an amenable number.

276285988 is a deficient number, since it is larger than the sum of its proper divisors (251169164).

276285988 is a wasteful number, since it uses less digits than its factorization.

276285988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279242 (or 6279240 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The square root of 276285988 is about 16621.8527246514. The cubic root of 276285988 is about 651.3078110785.

The spelling of 276285988 in words is "two hundred seventy-six million, two hundred eighty-five thousand, nine hundred eighty-eight".