276230989 has 8 divisors (see below), whose sum is σ = 289319040. Its totient is φ = 263232816.

The previous prime is 276230963. The next prime is 276230993. The reversal of 276230989 is 989032672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 276230989 - 2⁹ = 276230477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276230939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16137 + ... + 28510.

It is an arithmetic number, because the mean of its divisors is an integer number (36164880).

Almost surely, 2^276230989 is an apocalyptic number.

It is an amenable number.

276230989 is a deficient number, since it is larger than the sum of its proper divisors (13088051).

276230989 is a wasteful number, since it uses less digits than its factorization.

276230989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44939.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 276230989 is about 16620.1982238480. The cubic root of 276230989 is about 651.2645905787.

The spelling of 276230989 in words is "two hundred seventy-six million, two hundred thirty thousand, nine hundred eighty-nine".