274487856 has 20 divisors (see below), whose sum is σ = 709093752. Its totient is φ = 91495936.

The previous prime is 274487821. The next prime is 274487891. The reversal of 274487856 is 658784472.

It is an interprime number because it is at equal distance from previous prime (274487821) and next prime (274487891).

It is a junction number, because it is equal to n+sod(n) for n = 274487799 and 274487808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2859201 + ... + 2859296.

Almost surely, 2^274487856 is an apocalyptic number.

It is an amenable number.

274487856 is an abundant number, since it is smaller than the sum of its proper divisors (434605896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274487856 is a wasteful number, since it uses less digits than its factorization.

274487856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718508 (or 5718502 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The square root of 274487856 is about 16567.6750330274. The cubic root of 274487856 is about 649.8917815893.

The spelling of 274487856 in words is "two hundred seventy-four million, four hundred eighty-seven thousand, eight hundred fifty-six".