28609848 has 48 divisors (see below), whose sum is σ = 80360280. Its totient is φ = 9535968.

The previous prime is 28609829. The next prime is 28609873. The reversal of 28609848 is 84890682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5415 + ... + 9302.

Almost surely, 2^28609848 is an apocalyptic number.

It is an amenable number.

28609848 is an abundant number, since it is smaller than the sum of its proper divisors (51750432).

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

28609848 is a wasteful number, since it uses less digits than its factorization.

28609848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14738 (or 14722 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 28609848 is about 5348.8174393972. The cubic root of 28609848 is about 305.8476750512.

It can be divided in two parts, 286098 and 48, that added together give a triangular number (286146 = T₇₅₆).

The spelling of 28609848 in words is "twenty-eight million, six hundred nine thousand, eight hundred forty-eight".