234678280 has 16 divisors (see below), whose sum is σ = 528026220. Its totient is φ = 93871296.

The previous prime is 234678239. The next prime is 234678289. The reversal of 234678280 is 82876432.

234678280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 234151204 + 527076 = 15302^2 + 726^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 5866957 = 234678280 / (2 + 3 + 4 + 6 + 7 + 8 + 2 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (234678289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933439 + ... + 2933518.

Almost surely, 2^234678280 is an apocalyptic number.

234678280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234678280 is an abundant number, since it is smaller than the sum of its proper divisors (293347940).

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

234678280 is a wasteful number, since it uses less digits than its factorization.

234678280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866968 (or 5866964 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 234678280 is about 15319.2127735077. The cubic root of 234678280 is about 616.8188427298.

The spelling of 234678280 in words is "two hundred thirty-four million, six hundred seventy-eight thousand, two hundred eighty".