234840437 has 16 divisors (see below), whose sum is σ = 266992320. Its totient is φ = 204768000.

The previous prime is 234840433. The next prime is 234840451. The reversal of 234840437 is 734048432.

It is a cyclic number.

It is not a de Polignac number, because 234840437 - 2² = 234840433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234840397 and 234840406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234840433) 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 in 15 ways as a sum of consecutive naturals, for example, 97862 + ... + 100232.

It is an arithmetic number, because the mean of its divisors is an integer number (16687020).

Almost surely, 2^234840437 is an apocalyptic number.

It is an amenable number.

234840437 is a deficient number, since it is larger than the sum of its proper divisors (32151883).

234840437 is a wasteful number, since it uses less digits than its factorization.

234840437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 234840437 is about 15324.5044618089. The cubic root of 234840437 is about 616.9608789740.

Adding to 234840437 its reverse (734048432), we get a palindrome (968888869).

The spelling of 234840437 in words is "two hundred thirty-four million, eight hundred forty thousand, four hundred thirty-seven".