28667126 has 8 divisors (see below), whose sum is σ = 44387904. Its totient is φ = 13871160.

The previous prime is 28667087. The next prime is 28667129. The reversal of 28667126 is 62176682.

It is a happy number.

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

It is a super-2 number, since 2×28667126² = 1643608226199752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28667126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28667129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231125 + ... + 231248.

It is an arithmetic number, because the mean of its divisors is an integer number (5548488).

Almost surely, 2^28667126 is an apocalyptic number.

28667126 is a deficient number, since it is larger than the sum of its proper divisors (15720778).

28667126 is a wasteful number, since it uses less digits than its factorization.

28667126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462406.

The product of its digits is 48384, while the sum is 38.

The square root of 28667126 is about 5354.1690298309. The cubic root of 28667126 is about 306.0516452054.

The spelling of 28667126 in words is "twenty-eight million, six hundred sixty-seven thousand, one hundred twenty-six".