234978471 has 72 divisors (see below), whose sum is σ = 450397584. Its totient is φ = 116605440.

The previous prime is 234978451. The next prime is 234978571. The reversal of 234978471 is 174879432.

234978471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234978471 - 2⁵ = 234978439 is a prime.

It is a super-3 number, since 3×234978471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234978431) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 96256 + ... + 98666.

It is an arithmetic number, because the mean of its divisors is an integer number (6255522).

Almost surely, 2^234978471 is an apocalyptic number.

234978471 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234978471 is a deficient number, since it is larger than the sum of its proper divisors (215419113).

234978471 is a wasteful number, since it uses less digits than its factorization.

234978471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2451 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 234978471 is about 15329.0075021183. The cubic root of 234978471 is about 617.0817339385.

The spelling of 234978471 in words is "two hundred thirty-four million, nine hundred seventy-eight thousand, four hundred seventy-one".