28894334 has 8 divisors (see below), whose sum is σ = 49533168. Its totient is φ = 12383280.

The previous prime is 28894319. The next prime is 28894337. The reversal of 28894334 is 43349882.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 28894291 and 28894300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894337) 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, 1031927 + ... + 1031954.

It is an arithmetic number, because the mean of its divisors is an integer number (6191646).

Almost surely, 2^28894334 is an apocalyptic number.

28894334 is a deficient number, since it is larger than the sum of its proper divisors (20638834).

28894334 is a wasteful number, since it uses less digits than its factorization.

28894334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063890.

The product of its digits is 165888, while the sum is 41.

The square root of 28894334 is about 5375.3450121829. The cubic root of 28894334 is about 306.8580796707.

The spelling of 28894334 in words is "twenty-eight million, eight hundred ninety-four thousand, three hundred thirty-four".