28046344 has 8 divisors (see below), whose sum is σ = 52586910. Its totient is φ = 14023168.

The previous prime is 28046339. The next prime is 28046353. The reversal of 28046344 is 44364082.

It can be written as a sum of positive squares in only one way, i.e., 20593444 + 7452900 = 4538^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752889 + ... + 1752904.

Almost surely, 2^28046344 is an apocalyptic number.

It is an amenable number.

28046344 is a deficient number, since it is larger than the sum of its proper divisors (24540566).

28046344 is a wasteful number, since it uses less digits than its factorization.

28046344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505799 (or 3505795 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 28046344 is about 5295.8799080040. The cubic root of 28046344 is about 303.8263377937.

The spelling of 28046344 in words is "twenty-eight million, forty-six thousand, three hundred forty-four".