28340192 has 24 divisors (see below), whose sum is σ = 57720600. Its totient is φ = 13681024.

The previous prime is 28340189. The next prime is 28340197. The reversal of 28340192 is 29104382.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28340197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342 + ... + 16197.

It is an arithmetic number, because the mean of its divisors is an integer number (2405025).

Almost surely, 2^28340192 is an apocalyptic number.

It is an amenable number.

28340192 is an abundant number, since it is smaller than the sum of its proper divisors (29380408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28340192 is a wasteful number, since it uses less digits than its factorization.

28340192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30578 (or 30570 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 28340192 is about 5323.5506947901. The cubic root of 28340192 is about 304.8837396184.

The spelling of 28340192 in words is "twenty-eight million, three hundred forty thousand, one hundred ninety-two".