28574036 has 12 divisors (see below), whose sum is σ = 50265012. Its totient is φ = 14212608.

The previous prime is 28574017. The next prime is 28574041. The reversal of 28574036 is 63047582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 18011536 = 3250^2 + 4244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28573987 and 28574005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17735 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (4188751).

Almost surely, 2^28574036 is an apocalyptic number.

It is an amenable number.

28574036 is a deficient number, since it is larger than the sum of its proper divisors (21690976).

28574036 is a wasteful number, since it uses less digits than its factorization.

28574036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37210 (or 37208 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 28574036 is about 5345.4687352935. The cubic root of 28574036 is about 305.7200081698.

The spelling of 28574036 in words is "twenty-eight million, five hundred seventy-four thousand, thirty-six".