28606146 has 16 divisors (see below), whose sum is σ = 57265824. Its totient is φ = 9526464.

The previous prime is 28606141. The next prime is 28606147. The reversal of 28606146 is 64160682.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28606141) 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, 9321 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (3579114).

Almost surely, 2^28606146 is an apocalyptic number.

28606146 is an abundant number, since it is smaller than the sum of its proper divisors (28659678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28606146 is a wasteful number, since it uses less digits than its factorization.

28606146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28606146 is about 5348.4713704011. The cubic root of 28606146 is about 305.8344826599.

The spelling of 28606146 in words is "twenty-eight million, six hundred six thousand, one hundred forty-six".