234986728 has 16 divisors (see below), whose sum is σ = 443772000. Its totient is φ = 116647536.

The previous prime is 234986693. The next prime is 234986729. The reversal of 234986728 is 827689432.

It is a super-2 number, since 2×234986728² = 110437524672291968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234986729) 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, 104548 + ... + 106771.

It is an arithmetic number, because the mean of its divisors is an integer number (27735750).

Almost surely, 2^234986728 is an apocalyptic number.

It is an amenable number.

234986728 is a deficient number, since it is larger than the sum of its proper divisors (208785272).

234986728 is a wasteful number, since it uses less digits than its factorization.

234986728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211464 (or 211460 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 234986728 is about 15329.2768257345. The cubic root of 234986728 is about 617.0889618123.

The spelling of 234986728 in words is "two hundred thirty-four million, nine hundred eighty-six thousand, seven hundred twenty-eight".