234278849 has 24 divisors (see below), whose sum is σ = 283853160. Its totient is φ = 192562944.

The previous prime is 234278839. The next prime is 234278861. The reversal of 234278849 is 948872432.

It can be written as a sum of positive squares in 4 ways, for example, as 75342400 + 158936449 = 8680^2 + 12607^2 .

It is not a de Polignac number, because 234278849 - 2⁸ = 234278593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234278839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245357 + ... + 246309.

It is an arithmetic number, because the mean of its divisors is an integer number (11827215).

Almost surely, 2^234278849 is an apocalyptic number.

234278849 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

234278849 is a deficient number, since it is larger than the sum of its proper divisors (49574311).

234278849 is a wasteful number, since it uses less digits than its factorization.

234278849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1162 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 234278849 is about 15306.1702917484. The cubic root of 234278849 is about 616.4686946034.

The spelling of 234278849 in words is "two hundred thirty-four million, two hundred seventy-eight thousand, eight hundred forty-nine".