28734204 has 24 divisors (see below), whose sum is σ = 67208400. Its totient is φ = 9554944.

The previous prime is 28734193. The next prime is 28734221. The reversal of 28734204 is 40243782.

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, 2722 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (2800350).

Almost surely, 2^28734204 is an apocalyptic number.

It is an amenable number.

28734204 is an abundant number, since it is smaller than the sum of its proper divisors (38474196).

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

28734204 is a wasteful number, since it uses less digits than its factorization.

28734204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789 (or 5787 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 28734204 is about 5360.4294604071. The cubic root of 28734204 is about 306.2901686031.

Adding to 28734204 its reverse (40243782), we get a palindrome (68977986).

The spelling of 28734204 in words is "twenty-eight million, seven hundred thirty-four thousand, two hundred four".