255874394 has 8 divisors (see below), whose sum is σ = 386110368. Its totient is φ = 127170940.

The previous prime is 255874391. The next prime is 255874441. The reversal of 255874394 is 493478552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255874391) 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 3 ways as a sum of consecutive naturals, for example, 382712 + ... + 383379.

It is an arithmetic number, because the mean of its divisors is an integer number (48263796).

Almost surely, 2^255874394 is an apocalyptic number.

255874394 is a deficient number, since it is larger than the sum of its proper divisors (130235974).

255874394 is a wasteful number, since it uses less digits than its factorization.

255874394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766260.

The product of its digits is 1209600, while the sum is 47.

The square root of 255874394 is about 15996.0743309101. The cubic root of 255874394 is about 634.8565563523.

The spelling of 255874394 in words is "two hundred fifty-five million, eight hundred seventy-four thousand, three hundred ninety-four".