28834004 has 12 divisors (see below), whose sum is σ = 52199700. Its totient is φ = 13919808.

The previous prime is 28833997. The next prime is 28834009. The reversal of 28834004 is 40043882.

It can be written as a sum of positive squares in 2 ways, for example, as 11628100 + 17205904 = 3410^2 + 4148^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28834009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124169 + ... + 124400.

It is an arithmetic number, because the mean of its divisors is an integer number (4349975).

Almost surely, 2^28834004 is an apocalyptic number.

It is an amenable number.

28834004 is a deficient number, since it is larger than the sum of its proper divisors (23365696).

28834004 is a wasteful number, since it uses less digits than its factorization.

28834004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248602 (or 248600 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28834004 is about 5369.7303470472. The cubic root of 28834004 is about 306.6443624820.

Adding to 28834004 its reverse (40043882), we get a palindrome (68877886).

The spelling of 28834004 in words is "twenty-eight million, eight hundred thirty-four thousand, four".