28834749 has 6 divisors (see below), whose sum is σ = 41650206. Its totient is φ = 19223160.

The previous prime is 28834727. The next prime is 28834753. The reversal of 28834749 is 94743882.

It can be written as a sum of positive squares in only one way, i.e., 15657849 + 13176900 = 3957^2 + 3630^2 .

It is not a de Polignac number, because 28834749 - 2⁵ = 28834717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28834349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601922 + ... + 1601939.

It is an arithmetic number, because the mean of its divisors is an integer number (6941701).

Almost surely, 2^28834749 is an apocalyptic number.

It is an amenable number.

28834749 is a deficient number, since it is larger than the sum of its proper divisors (12815457).

28834749 is a wasteful number, since it uses less digits than its factorization.

28834749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203867 (or 3203864 counting only the distinct ones).

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

The square root of 28834749 is about 5369.7997169354. The cubic root of 28834749 is about 306.6470034389.

The spelling of 28834749 in words is "twenty-eight million, eight hundred thirty-four thousand, seven hundred forty-nine".