28274030 has 8 divisors (see below), whose sum is σ = 50893272. Its totient is φ = 11309608.

The previous prime is 28274027. The next prime is 28274087. The reversal of 28274030 is 3047282.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413692 + ... + 1413711.

It is an arithmetic number, because the mean of its divisors is an integer number (6361659).

Almost surely, 2^28274030 is an apocalyptic number.

28274030 is a deficient number, since it is larger than the sum of its proper divisors (22619242).

28274030 is a wasteful number, since it uses less digits than its factorization.

28274030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827410.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 28274030 is about 5317.3329781010. The cubic root of 28274030 is about 304.6462978518.

The spelling of 28274030 in words is "twenty-eight million, two hundred seventy-four thousand, thirty".