28162606 has 4 divisors (see below), whose sum is σ = 42243912. Its totient is φ = 14081302.

The previous prime is 28162583. The next prime is 28162609. The reversal of 28162606 is 60626182.

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

It is a super-2 number, since 2×28162606² = 1586264753422472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28162609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7040650 + ... + 7040653.

It is an arithmetic number, because the mean of its divisors is an integer number (10560978).

Almost surely, 2^28162606 is an apocalyptic number.

28162606 is a deficient number, since it is larger than the sum of its proper divisors (14081306).

28162606 is a wasteful number, since it uses less digits than its factorization.

28162606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081305.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28162606 is about 5306.8452021893. The cubic root of 28162606 is about 304.2455815090.

Adding to 28162606 its reverse (60626182), we get a palindrome (88788788).

The spelling of 28162606 in words is "twenty-eight million, one hundred sixty-two thousand, six hundred six".