28274841 has 12 divisors (see below), whose sum is σ = 46676032. Its totient is φ = 16157016.

The previous prime is 28274809. The next prime is 28274887. The reversal of 28274841 is 14847282.

It is not a de Polignac number, because 28274841 - 2⁵ = 28274809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28274796 and 28274805.

It is not an unprimeable number, because it can be changed into a prime (28274801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224341 + ... + 224466.

Almost surely, 2^28274841 is an apocalyptic number.

28274841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28274841 is a deficient number, since it is larger than the sum of its proper divisors (18401191).

28274841 is a wasteful number, since it uses less digits than its factorization.

28274841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448820 (or 448817 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 28274841 is about 5317.4092375893. The cubic root of 28274841 is about 304.6492106046.

The spelling of 28274841 in words is "twenty-eight million, two hundred seventy-four thousand, eight hundred forty-one".