234187928 has 16 divisors (see below), whose sum is σ = 472879680. Its totient is φ = 108086688.

The previous prime is 234187897. The next prime is 234187931. The reversal of 234187928 is 829781432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125800 + ... + 1126007.

It is an arithmetic number, because the mean of its divisors is an integer number (29554980).

Almost surely, 2^234187928 is an apocalyptic number.

It is an amenable number.

234187928 is an abundant number, since it is smaller than the sum of its proper divisors (238691752).

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

234187928 is a wasteful number, since it uses less digits than its factorization.

234187928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251826 (or 2251822 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 234187928 is about 15303.1999268127. The cubic root of 234187928 is about 616.3889360838.

The spelling of 234187928 in words is "two hundred thirty-four million, one hundred eighty-seven thousand, nine hundred twenty-eight".