28849374 has 48 divisors (see below), whose sum is σ = 68487120. Its totient is φ = 8736000.

The previous prime is 28849369. The next prime is 28849433. The reversal of 28849374 is 47394882.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7249 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (1426815).

Almost surely, 2^28849374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28849374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34243560).

28849374 is an abundant number, since it is smaller than the sum of its proper divisors (39637746).

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

28849374 is a wasteful number, since it uses less digits than its factorization.

28849374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305 (or 3302 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 28849374 is about 5371.1613269385. The cubic root of 28849374 is about 306.6988385173.

The spelling of 28849374 in words is "twenty-eight million, eight hundred forty-nine thousand, three hundred seventy-four".