28836472 has 32 divisors (see below), whose sum is σ = 61981920. Its totient is φ = 12320640.

The previous prime is 28836463. The next prime is 28836473. The reversal of 28836472 is 27463882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28836473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25258 + ... + 26374.

It is an arithmetic number, because the mean of its divisors is an integer number (1936935).

Almost surely, 2^28836472 is an apocalyptic number.

It is an amenable number.

28836472 is an abundant number, since it is smaller than the sum of its proper divisors (33145448).

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

28836472 is a wasteful number, since it uses less digits than its factorization.

28836472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1587 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 28836472 is about 5369.9601488279. The cubic root of 28836472 is about 306.6531111420.

The spelling of 28836472 in words is "twenty-eight million, eight hundred thirty-six thousand, four hundred seventy-two".