28601146 has 16 divisors (see below), whose sum is σ = 49363200. Its totient is φ = 12174480.

The previous prime is 28601141. The next prime is 28601147. The reversal of 28601146 is 64110682.

It is not an unprimeable number, because it can be changed into a prime (28601141) 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, 4770 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (3085200).

Almost surely, 2^28601146 is an apocalyptic number.

28601146 is a deficient number, since it is larger than the sum of its proper divisors (20762054).

28601146 is a wasteful number, since it uses less digits than its factorization.

28601146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13869.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 28601146 is about 5348.0039267001. The cubic root of 28601146 is about 305.8166629284.

The spelling of 28601146 in words is "twenty-eight million, six hundred one thousand, one hundred forty-six".