28036734 has 32 divisors (see below), whose sum is σ = 61603200. Its totient is φ = 8436000.

The previous prime is 28036733. The next prime is 28036777. The reversal of 28036734 is 43763082.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 28036695 and 28036704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28036733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8409 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (1925100).

Almost surely, 2^28036734 is an apocalyptic number.

28036734 is an abundant number, since it is smaller than the sum of its proper divisors (33566466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28036734 is a wasteful number, since it uses less digits than its factorization.

28036734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 28036734 is about 5294.9725211752. The cubic root of 28036734 is about 303.7916320860.

The spelling of 28036734 in words is "twenty-eight million, thirty-six thousand, seven hundred thirty-four".