253789338 has 16 divisors (see below), whose sum is σ = 553722336. Its totient is φ = 76905840.

The previous prime is 253789297. The next prime is 253789351. The reversal of 253789338 is 833987352.

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 7 ways as a sum of consecutive naturals, for example, 1922581 + ... + 1922712.

It is an arithmetic number, because the mean of its divisors is an integer number (34607646).

Almost surely, 2^253789338 is an apocalyptic number.

253789338 is an abundant number, since it is smaller than the sum of its proper divisors (299932998).

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

253789338 is a wasteful number, since it uses less digits than its factorization.

253789338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845309.

The product of its digits is 1088640, while the sum is 48.

The square root of 253789338 is about 15930.7670248485. The cubic root of 253789338 is about 633.1274223192.

It can be divided in two parts, 25378 and 9338, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 253789338 in words is "two hundred fifty-three million, seven hundred eighty-nine thousand, three hundred thirty-eight".