27623228 has 6 divisors (see below), whose sum is σ = 48340656. Its totient is φ = 13811612.

The previous prime is 27623213. The next prime is 27623231. The reversal of 27623228 is 82232672.

It is a junction number, because it is equal to n+sod(n) for n = 27623194 and 27623203.

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, 3452900 + ... + 3452907.

It is an arithmetic number, because the mean of its divisors is an integer number (8056776).

Almost surely, 2^27623228 is an apocalyptic number.

It is an amenable number.

27623228 is a deficient number, since it is larger than the sum of its proper divisors (20717428).

27623228 is a wasteful number, since it uses less digits than its factorization.

27623228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905811 (or 6905809 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 27623228 is about 5255.7804368143. The cubic root of 27623228 is about 302.2907160654.

The spelling of 27623228 in words is "twenty-seven million, six hundred twenty-three thousand, two hundred twenty-eight".