28046343 has 16 divisors (see below), whose sum is σ = 40785920. Its totient is φ = 17038944.

The previous prime is 28046339. The next prime is 28046353. The reversal of 28046343 is 34364082.

It is not a de Polignac number, because 28046343 - 2² = 28046339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28046343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28046353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471 + ... + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (2549120).

Almost surely, 2^28046343 is an apocalyptic number.

28046343 is a deficient number, since it is larger than the sum of its proper divisors (12739577).

28046343 is a wasteful number, since it uses less digits than its factorization.

28046343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 28046343 is about 5295.8798135909. The cubic root of 28046343 is about 303.8263341827.

The spelling of 28046343 in words is "twenty-eight million, forty-six thousand, three hundred forty-three".