234739493 has 2 divisors, whose sum is σ = 234739494. Its totient is φ = 234739492.

The previous prime is 234739481. The next prime is 234739523. The reversal of 234739493 is 394937432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234151204 + 588289 = 15302^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 234739493 - 2⁶ = 234739429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234739423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117369746 + 117369747.

It is an arithmetic number, because the mean of its divisors is an integer number (117369747).

Almost surely, 2^234739493 is an apocalyptic number.

It is an amenable number.

234739493 is a deficient number, since it is larger than the sum of its proper divisors (1).

234739493 is an equidigital number, since it uses as much as digits as its factorization.

234739493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 44.

The square root of 234739493 is about 15321.2105592215. The cubic root of 234739493 is about 616.8724679871.

The spelling of 234739493 in words is "two hundred thirty-four million, seven hundred thirty-nine thousand, four hundred ninety-three".