274628238 has 32 divisors (see below), whose sum is σ = 562083840. Its totient is φ = 89412960.

The previous prime is 274628219. The next prime is 274628267. The reversal of 274628238 is 832826472.

It is a self number, because there is not a number n which added to its sum of digits gives 274628238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256368 + ... + 257436.

It is an arithmetic number, because the mean of its divisors is an integer number (17565120).

Almost surely, 2^274628238 is an apocalyptic number.

274628238 is an abundant number, since it is smaller than the sum of its proper divisors (287455602).

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

274628238 is a wasteful number, since it uses less digits than its factorization.

274628238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its digits is 258048, while the sum is 42.

The square root of 274628238 is about 16571.9111148956. The cubic root of 274628238 is about 650.0025546251.

The spelling of 274628238 in words is "two hundred seventy-four million, six hundred twenty-eight thousand, two hundred thirty-eight".