28643192 has 16 divisors (see below), whose sum is σ = 53798040. Its totient is φ = 14297056.

The previous prime is 28643191. The next prime is 28643201. The reversal of 28643192 is 29134682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28643191) 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, 2483 + ... + 7965.

Almost surely, 2^28643192 is an apocalyptic number.

It is an amenable number.

28643192 is a deficient number, since it is larger than the sum of its proper divisors (25154848).

28643192 is a wasteful number, since it uses less digits than its factorization.

28643192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142 (or 6138 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 28643192 is about 5351.9334823968. The cubic root of 28643192 is about 305.9664479709.

The spelling of 28643192 in words is "twenty-eight million, six hundred forty-three thousand, one hundred ninety-two".