28974334 has 4 divisors (see below), whose sum is σ = 43461504. Its totient is φ = 14487166.

The previous prime is 28974317. The next prime is 28974343. The reversal of 28974334 is 43347982.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7243582 + ... + 7243585.

It is an arithmetic number, because the mean of its divisors is an integer number (10865376).

Almost surely, 2^28974334 is an apocalyptic number.

28974334 is a deficient number, since it is larger than the sum of its proper divisors (14487170).

28974334 is a wasteful number, since it uses less digits than its factorization.

28974334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14487169.

The product of its digits is 145152, while the sum is 40.

The square root of 28974334 is about 5382.7812513607. The cubic root of 28974334 is about 307.1410189388.

The spelling of 28974334 in words is "twenty-eight million, nine hundred seventy-four thousand, three hundred thirty-four".