28849190 has 8 divisors (see below), whose sum is σ = 51928560. Its totient is φ = 11539672.

The previous prime is 28849181. The next prime is 28849241. The reversal of 28849190 is 9194882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28849190² = 1664551527312200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442450 + ... + 1442469.

It is an arithmetic number, because the mean of its divisors is an integer number (6491070).

Almost surely, 2^28849190 is an apocalyptic number.

28849190 is a deficient number, since it is larger than the sum of its proper divisors (23079370).

28849190 is a wasteful number, since it uses less digits than its factorization.

28849190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884926.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 28849190 is about 5371.1441983994. The cubic root of 28849190 is about 306.6981864788.

The spelling of 28849190 in words is "twenty-eight million, eight hundred forty-nine thousand, one hundred ninety".