234734436 has 120 divisors (see below), whose sum is σ = 684240480. Its totient is φ = 69735168.

The previous prime is 234734431. The next prime is 234734459. The reversal of 234734436 is 634437432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 234734436.

It is not an unprimeable number, because it can be changed into a prime (234734431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 103531 + ... + 105773.

It is an arithmetic number, because the mean of its divisors is an integer number (5702004).

Almost surely, 2^234734436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234734436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342120240).

234734436 is an abundant number, since it is smaller than the sum of its proper divisors (449506044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234734436 is a wasteful number, since it uses less digits than its factorization.

234734436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2284 counting only the distinct ones).

The product of its digits is 145152, while the sum is 36.

The square root of 234734436 is about 15321.0455256813. The cubic root of 234734436 is about 616.8680381879.

The spelling of 234734436 in words is "two hundred thirty-four million, seven hundred thirty-four thousand, four hundred thirty-six".