274438285 has 12 divisors (see below), whose sum is σ = 361987164. Its totient is φ = 199591040.

The previous prime is 274438273. The next prime is 274438289. The reversal of 274438285 is 582834472.

It can be written as a sum of positive squares in 2 ways, for example, as 97574884 + 176863401 = 9878^2 + 13299^2 .

It is not a de Polignac number, because 274438285 - 2⁵ = 274438253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274438289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226204 + ... + 227413.

It is an arithmetic number, because the mean of its divisors is an integer number (30165597).

Almost surely, 2^274438285 is an apocalyptic number.

It is an amenable number.

274438285 is a deficient number, since it is larger than the sum of its proper divisors (87548879).

274438285 is a wasteful number, since it uses less digits than its factorization.

274438285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453644 (or 453633 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 274438285 is about 16566.1789498967. The cubic root of 274438285 is about 649.8526569379.

The spelling of 274438285 in words is "two hundred seventy-four million, four hundred thirty-eight thousand, two hundred eighty-five".