28234814 has 8 divisors (see below), whose sum is σ = 43385328. Its totient is φ = 13773040.

The previous prime is 28234793. The next prime is 28234819. The reversal of 28234814 is 41843282.

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

It is a super-2 number, since 2×28234814² = 1594409443229192, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28234819) 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, 172082 + ... + 172245.

It is an arithmetic number, because the mean of its divisors is an integer number (5423166).

Almost surely, 2^28234814 is an apocalyptic number.

28234814 is a deficient number, since it is larger than the sum of its proper divisors (15150514).

28234814 is a wasteful number, since it uses less digits than its factorization.

28234814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344370.

The product of its digits is 12288, while the sum is 32.

The square root of 28234814 is about 5313.6441356192. The cubic root of 28234814 is about 304.5053848306.

The spelling of 28234814 in words is "twenty-eight million, two hundred thirty-four thousand, eight hundred fourteen".