276393049 has 4 divisors (see below), whose sum is σ = 276644736. Its totient is φ = 276141364.

The previous prime is 276393037. The next prime is 276393067. The reversal of 276393049 is 940393672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 276393049 - 2⁵ = 276393017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276392996 and 276393014.

It is not an unprimeable number, because it can be changed into a prime (276393079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124189 + ... + 126394.

It is an arithmetic number, because the mean of its divisors is an integer number (69161184).

Almost surely, 2^276393049 is an apocalyptic number.

It is an amenable number.

276393049 is a deficient number, since it is larger than the sum of its proper divisors (251687).

276393049 is a wasteful number, since it uses less digits than its factorization.

276393049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251686.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 276393049 is about 16625.0729020958. The cubic root of 276393049 is about 651.3919276145.

The spelling of 276393049 in words is "two hundred seventy-six million, three hundred ninety-three thousand, forty-nine".