253038394 has 16 divisors (see below), whose sum is σ = 434019456. Its totient is φ = 108385200.

The previous prime is 253038361. The next prime is 253038403. The reversal of 253038394 is 493830352.

253038394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29539 + ... + 37129.

It is an arithmetic number, because the mean of its divisors is an integer number (27126216).

Almost surely, 2^253038394 is an apocalyptic number.

253038394 is a deficient number, since it is larger than the sum of its proper divisors (180981062).

253038394 is a wasteful number, since it uses less digits than its factorization.

253038394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 253038394 is about 15907.1805798514. The cubic root of 253038394 is about 632.5023462239.

The spelling of 253038394 in words is "two hundred fifty-three million, thirty-eight thousand, three hundred ninety-four".