234904385 has 16 divisors (see below), whose sum is σ = 300153600. Its totient is φ = 175869696.

The previous prime is 234904381. The next prime is 234904403. The reversal of 234904385 is 583409432.

It is a cyclic number.

It is not a de Polignac number, because 234904385 - 2² = 234904381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234904381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7496 + ... + 22934.

It is an arithmetic number, because the mean of its divisors is an integer number (18759600).

Almost surely, 2^234904385 is an apocalyptic number.

It is an amenable number.

234904385 is a deficient number, since it is larger than the sum of its proper divisors (65249215).

234904385 is a wasteful number, since it uses less digits than its factorization.

234904385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15640.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 234904385 is about 15326.5907820363. The cubic root of 234904385 is about 617.0168742052.

The spelling of 234904385 in words is "two hundred thirty-four million, nine hundred four thousand, three hundred eighty-five".