28310036 has 6 divisors (see below), whose sum is σ = 49542570. Its totient is φ = 14155016.

The previous prime is 28310021. The next prime is 28310041. The reversal of 28310036 is 63001382.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 6220036 = 4700^2 + 2494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28309993 and 28310020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3538751 + ... + 3538758.

It is an arithmetic number, because the mean of its divisors is an integer number (8257095).

Almost surely, 2^28310036 is an apocalyptic number.

It is an amenable number.

28310036 is a deficient number, since it is larger than the sum of its proper divisors (21232534).

28310036 is a wasteful number, since it uses less digits than its factorization.

28310036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077513 (or 7077511 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 28310036 is about 5320.7176207726. The cubic root of 28310036 is about 304.7755618399.

The spelling of 28310036 in words is "twenty-eight million, three hundred ten thousand, thirty-six".