28394246 has 16 divisors (see below), whose sum is σ = 44943360. Its totient is φ = 13416840.

The previous prime is 28394203. The next prime is 28394257. The reversal of 28394246 is 64249382.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22451 + ... + 23681.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^28394246 is an apocalyptic number.

28394246 is a deficient number, since it is larger than the sum of its proper divisors (16549114).

28394246 is a wasteful number, since it uses less digits than its factorization.

28394246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its digits is 82944, while the sum is 38.

The square root of 28394246 is about 5328.6251510122. The cubic root of 28394246 is about 305.0774541264.

The spelling of 28394246 in words is "twenty-eight million, three hundred ninety-four thousand, two hundred forty-six".