28436344 has 16 divisors (see below), whose sum is σ = 53420400. Its totient is φ = 14190912.

The previous prime is 28436263. The next prime is 28436377. The reversal of 28436344 is 44363482.

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, 1429 + ... + 7675.

It is an arithmetic number, because the mean of its divisors is an integer number (3338775).

Almost surely, 2^28436344 is an apocalyptic number.

It is an amenable number.

28436344 is a deficient number, since it is larger than the sum of its proper divisors (24984056).

28436344 is a wasteful number, since it uses less digits than its factorization.

28436344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822 (or 6818 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 28436344 is about 5332.5738625921. The cubic root of 28436344 is about 305.2281514273.

It can be divided in two parts, 284 and 36344, that multiplied together give a triangular number (10321696 = T₄₅₄₃).

The spelling of 28436344 in words is "twenty-eight million, four hundred thirty-six thousand, three hundred forty-four".