28606427 has 8 divisors (see below), whose sum is σ = 30347856. Its totient is φ = 26871552.

The previous prime is 28606421. The next prime is 28606429. The reversal of 28606427 is 72460682.

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

It is a cyclic number.

It is not a de Polignac number, because 28606427 - 2⁶ = 28606363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28606421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9623 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (3793482).

Almost surely, 2^28606427 is an apocalyptic number.

28606427 is a deficient number, since it is larger than the sum of its proper divisors (1741429).

28606427 is a wasteful number, since it uses less digits than its factorization.

28606427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28606427 is about 5348.4976395246. The cubic root of 28606427 is about 305.8354840671.

The spelling of 28606427 in words is "twenty-eight million, six hundred six thousand, four hundred twenty-seven".