28345274 has 8 divisors (see below), whose sum is σ = 42540960. Its totient is φ = 14164956.

The previous prime is 28345241. The next prime is 28345327. The reversal of 28345274 is 47254382.

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, 3857 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (5317620).

Almost surely, 2^28345274 is an apocalyptic number.

28345274 is a deficient number, since it is larger than the sum of its proper divisors (14195686).

28345274 is a wasteful number, since it uses less digits than its factorization.

28345274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684.

The product of its digits is 53760, while the sum is 35.

The square root of 28345274 is about 5324.0279864028. The cubic root of 28345274 is about 304.9019625784.

The spelling of 28345274 in words is "twenty-eight million, three hundred forty-five thousand, two hundred seventy-four".