234404720 has 40 divisors (see below), whose sum is σ = 594537840. Its totient is φ = 85237760.

The previous prime is 234404713. The next prime is 234404741. The reversal of 234404720 is 27404432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 234404720.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 132305 + ... + 134064.

It is an arithmetic number, because the mean of its divisors is an integer number (14863446).

Almost surely, 2^234404720 is an apocalyptic number.

234404720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234404720 is an abundant number, since it is smaller than the sum of its proper divisors (360133120).

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

234404720 is a wasteful number, since it uses less digits than its factorization.

234404720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266393 (or 266387 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 234404720 is about 15310.2815127613. The cubic root of 234404720 is about 616.5790782182.

The spelling of 234404720 in words is "two hundred thirty-four million, four hundred four thousand, seven hundred twenty".