28735794 has 12 divisors (see below), whose sum is σ = 62260926. Its totient is φ = 9578592.

The previous prime is 28735783. The next prime is 28735801. The reversal of 28735794 is 49753782.

28735794 is a `hidden beast` number, since 2 + 8 + 73 + 579 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17264025 + 11471769 = 4155^2 + 3387^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 798199 + ... + 798234.

Almost surely, 2^28735794 is an apocalyptic number.

28735794 is an abundant number, since it is smaller than the sum of its proper divisors (33525132).

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

28735794 is a wasteful number, since it uses less digits than its factorization.

28735794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596441 (or 1596438 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 28735794 is about 5360.5777673680. The cubic root of 28735794 is about 306.2958179956.

The spelling of 28735794 in words is "twenty-eight million, seven hundred thirty-five thousand, seven hundred ninety-four".