28826146 has 4 divisors (see below), whose sum is σ = 43239222. Its totient is φ = 14413072.

The previous prime is 28826143. The next prime is 28826159. The reversal of 28826146 is 64162882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17969121 + 10857025 = 4239^2 + 3295^2 .

It is not an unprimeable number, because it can be changed into a prime (28826141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7206535 + ... + 7206538.

Almost surely, 2^28826146 is an apocalyptic number.

28826146 is a deficient number, since it is larger than the sum of its proper divisors (14413076).

28826146 is a wasteful number, since it uses less digits than its factorization.

28826146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14413075.

The product of its digits is 36864, while the sum is 37.

The square root of 28826146 is about 5368.9986030916. The cubic root of 28826146 is about 306.6165038199.

The spelling of 28826146 in words is "twenty-eight million, eight hundred twenty-six thousand, one hundred forty-six".