28671627 has 16 divisors (see below), whose sum is σ = 40354560. Its totient is φ = 18057312.

The previous prime is 28671619. The next prime is 28671631. The reversal of 28671627 is 72617682.

It is not a de Polignac number, because 28671627 - 2³ = 28671619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28671637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38218 + ... + 38960.

It is an arithmetic number, because the mean of its divisors is an integer number (2522160).

Almost surely, 2^28671627 is an apocalyptic number.

28671627 is a deficient number, since it is larger than the sum of its proper divisors (11682933).

28671627 is a wasteful number, since it uses less digits than its factorization.

28671627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its digits is 56448, while the sum is 39.

The square root of 28671627 is about 5354.5893399961. The cubic root of 28671627 is about 306.0676619995.

The spelling of 28671627 in words is "twenty-eight million, six hundred seventy-one thousand, six hundred twenty-seven".