28849790 has 16 divisors (see below), whose sum is σ = 54663120. Its totient is φ = 10932480.

The previous prime is 28849789. The next prime is 28849801. The reversal of 28849790 is 9794882.

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, 75731 + ... + 76110.

It is an arithmetic number, because the mean of its divisors is an integer number (3416445).

Almost surely, 2^28849790 is an apocalyptic number.

28849790 is a deficient number, since it is larger than the sum of its proper divisors (25813330).

28849790 is a wasteful number, since it uses less digits than its factorization.

28849790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151867.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 28849790 is about 5371.2000521299. The cubic root of 28849790 is about 306.7003126810.

The spelling of 28849790 in words is "twenty-eight million, eight hundred forty-nine thousand, seven hundred ninety".