234188404 has 12 divisors (see below), whose sum is σ = 418549824. Its totient is φ = 114602744.

The previous prime is 234188393. The next prime is 234188419. The reversal of 234188404 is 404881432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 234188404.

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, 622654 + ... + 623029.

It is an arithmetic number, because the mean of its divisors is an integer number (34879152).

Almost surely, 2^234188404 is an apocalyptic number.

It is an amenable number.

234188404 is a deficient number, since it is larger than the sum of its proper divisors (184361420).

234188404 is a wasteful number, since it uses less digits than its factorization.

234188404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245734 (or 1245732 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 234188404 is about 15303.2154791077. The cubic root of 234188404 is about 616.3893536985.

The spelling of 234188404 in words is "two hundred thirty-four million, one hundred eighty-eight thousand, four hundred four".