276399506 has 8 divisors (see below), whose sum is σ = 415425024. Its totient is φ = 137924500.

The previous prime is 276399457. The next prime is 276399547. The reversal of 276399506 is 605993672.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136370 + ... + 138381.

It is an arithmetic number, because the mean of its divisors is an integer number (51928128).

Almost surely, 2^276399506 is an apocalyptic number.

276399506 is a deficient number, since it is larger than the sum of its proper divisors (139025518).

276399506 is a wasteful number, since it uses less digits than its factorization.

276399506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275256.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 276399506 is about 16625.2670955988. The cubic root of 276399506 is about 651.3970001069.

The spelling of 276399506 in words is "two hundred seventy-six million, three hundred ninety-nine thousand, five hundred six".