234481391 has 16 divisors (see below), whose sum is σ = 253308384. Its totient is φ = 216259584.

The previous prime is 234481367. The next prime is 234481397. The reversal of 234481391 is 193184432.

It is not a de Polignac number, because 234481391 - 2¹⁸ = 234219247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234481397) 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, 192701 + ... + 193913.

It is an arithmetic number, because the mean of its divisors is an integer number (15831774).

Almost surely, 2^234481391 is an apocalyptic number.

234481391 is a deficient number, since it is larger than the sum of its proper divisors (18826993).

234481391 is a wasteful number, since it uses less digits than its factorization.

234481391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its digits is 20736, while the sum is 35.

The square root of 234481391 is about 15312.7852136703. The cubic root of 234481391 is about 616.6462961212.

The spelling of 234481391 in words is "two hundred thirty-four million, four hundred eighty-one thousand, three hundred ninety-one".