28174612 has 12 divisors (see below), whose sum is σ = 50638420. Its totient is φ = 13706496.

The previous prime is 28174579. The next prime is 28174613. The reversal of 28174612 is 21647182.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 18352656 = 3134^2 + 4284^2 .

It is a super-2 number, since 2×28174612² = 1587617522701088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28174613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95037 + ... + 95332.

Almost surely, 2^28174612 is an apocalyptic number.

It is an amenable number.

28174612 is a deficient number, since it is larger than the sum of its proper divisors (22463808).

28174612 is a wasteful number, since it uses less digits than its factorization.

28174612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190410 (or 190408 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 28174612 is about 5307.9762621926. The cubic root of 28174612 is about 304.2888096760.

The spelling of 28174612 in words is "twenty-eight million, one hundred seventy-four thousand, six hundred twelve".