28234618 has 8 divisors (see below), whose sum is σ = 42386400. Its totient is φ = 14105820.

The previous prime is 28234601. The next prime is 28234649. The reversal of 28234618 is 81643282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (5298300).

Almost surely, 2^28234618 is an apocalyptic number.

28234618 is a deficient number, since it is larger than the sum of its proper divisors (14151782).

28234618 is a wasteful number, since it uses less digits than its factorization.

28234618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492.

The product of its digits is 18432, while the sum is 34.

The square root of 28234618 is about 5313.6256925004. The cubic root of 28234618 is about 304.5046802253.

The spelling of 28234618 in words is "twenty-eight million, two hundred thirty-four thousand, six hundred eighteen".