28853436 has 24 divisors (see below), whose sum is σ = 69497344. Its totient is φ = 9307440.

The previous prime is 28853423. The next prime is 28853443. The reversal of 28853436 is 63435882.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28853394 and 28853403.

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, 38410 + ... + 39153.

Almost surely, 2^28853436 is an apocalyptic number.

It is an amenable number.

28853436 is an abundant number, since it is smaller than the sum of its proper divisors (40643908).

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

28853436 is a wasteful number, since it uses less digits than its factorization.

28853436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77601 (or 77599 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 28853436 is about 5371.5394441445. The cubic root of 28853436 is about 306.7132322694.

The spelling of 28853436 in words is "twenty-eight million, eight hundred fifty-three thousand, four hundred thirty-six".