276464493 has 12 divisors (see below), whose sum is σ = 402254268. Its totient is φ = 182963520.

The previous prime is 276464491. The next prime is 276464537. The reversal of 276464493 is 394464672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92102409 + 184362084 = 9597^2 + 13578^2 .

It is not a de Polignac number, because 276464493 - 2¹ = 276464491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276464491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110878 + ... + 113343.

It is an arithmetic number, because the mean of its divisors is an integer number (33521189).

Almost surely, 2^276464493 is an apocalyptic number.

It is an amenable number.

276464493 is a deficient number, since it is larger than the sum of its proper divisors (125789775).

276464493 is a wasteful number, since it uses less digits than its factorization.

276464493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224364 (or 224361 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 276464493 is about 16627.2214455693. The cubic root of 276464493 is about 651.4480482198.

The spelling of 276464493 in words is "two hundred seventy-six million, four hundred sixty-four thousand, four hundred ninety-three".