28343164 has 12 divisors (see below), whose sum is σ = 49710024. Its totient is φ = 14140304.

The previous prime is 28343143. The next prime is 28343167. The reversal of 28343164 is 46134382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719 + ... + 9454.

It is an arithmetic number, because the mean of its divisors is an integer number (4142502).

Almost surely, 2^28343164 is an apocalyptic number.

It is an amenable number.

28343164 is a deficient number, since it is larger than the sum of its proper divisors (21366860).

28343164 is a wasteful number, since it uses less digits than its factorization.

28343164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15644 (or 15642 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 28343164 is about 5323.8298244779. The cubic root of 28343164 is about 304.8943968362.

The spelling of 28343164 in words is "twenty-eight million, three hundred forty-three thousand, one hundred sixty-four".