234428268 has 12 divisors (see below), whose sum is σ = 546999320. Its totient is φ = 78142752.

The previous prime is 234428267. The next prime is 234428269. The reversal of 234428268 is 862824432.

It is an interprime number because it is at equal distance from previous prime (234428267) and next prime (234428269).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×234428268² = 109913225674959648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234428261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9767833 + ... + 9767856.

Almost surely, 2^234428268 is an apocalyptic number.

It is an amenable number.

234428268 is an abundant number, since it is smaller than the sum of its proper divisors (312571052).

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

234428268 is a wasteful number, since it uses less digits than its factorization.

234428268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19535696 (or 19535694 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 234428268 is about 15311.0505191512. The cubic root of 234428268 is about 616.5997244434.

The spelling of 234428268 in words is "two hundred thirty-four million, four hundred twenty-eight thousand, two hundred sixty-eight".