28261274 has 8 divisors (see below), whose sum is σ = 43759488. Its totient is φ = 13674780.

The previous prime is 28261267. The next prime is 28261279. The reversal of 28261274 is 47216282.

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 28261274.

It is not an unprimeable number, because it can be changed into a prime (28261279) 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, 227852 + ... + 227975.

It is an arithmetic number, because the mean of its divisors is an integer number (5469936).

Almost surely, 2^28261274 is an apocalyptic number.

28261274 is a deficient number, since it is larger than the sum of its proper divisors (15498214).

28261274 is a wasteful number, since it uses less digits than its factorization.

28261274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455860.

The product of its digits is 10752, while the sum is 32.

The square root of 28261274 is about 5316.1333692826. The cubic root of 28261274 is about 304.6004766190.

The spelling of 28261274 in words is "twenty-eight million, two hundred sixty-one thousand, two hundred seventy-four".