28313834 has 8 divisors (see below), whose sum is σ = 43374528. Its totient is φ = 13855660.

The previous prime is 28313807. The next prime is 28313849. The reversal of 28313834 is 43831382.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28313834.

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, 150512 + ... + 150699.

It is an arithmetic number, because the mean of its divisors is an integer number (5421816).

Almost surely, 2^28313834 is an apocalyptic number.

28313834 is a deficient number, since it is larger than the sum of its proper divisors (15060694).

28313834 is a wasteful number, since it uses less digits than its factorization.

28313834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301260.

The product of its digits is 13824, while the sum is 32.

The square root of 28313834 is about 5321.0745155466. The cubic root of 28313834 is about 304.7891905265.

The spelling of 28313834 in words is "twenty-eight million, three hundred thirteen thousand, eight hundred thirty-four".