234978291 has 6 divisors (see below), whose sum is σ = 339413100. Its totient is φ = 156652188.

The previous prime is 234978287. The next prime is 234978299. The reversal of 234978291 is 192879432.

It is not a de Polignac number, because 234978291 - 2² = 234978287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234978299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13054341 + ... + 13054358.

It is an arithmetic number, because the mean of its divisors is an integer number (56568850).

Almost surely, 2^234978291 is an apocalyptic number.

234978291 is a deficient number, since it is larger than the sum of its proper divisors (104434809).

234978291 is a wasteful number, since it uses less digits than its factorization.

234978291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26108705 (or 26108702 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 234978291 is about 15329.0016308956. The cubic root of 234978291 is about 617.0815763713.

The spelling of 234978291 in words is "two hundred thirty-four million, nine hundred seventy-eight thousand, two hundred ninety-one".