28238676 has 12 divisors (see below), whose sum is σ = 65890272. Its totient is φ = 9412888.

The previous prime is 28238671. The next prime is 28238701. The reversal of 28238676 is 67683282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28238671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176600 + ... + 1176623.

It is an arithmetic number, because the mean of its divisors is an integer number (5490856).

Almost surely, 2^28238676 is an apocalyptic number.

It is an amenable number.

28238676 is an abundant number, since it is smaller than the sum of its proper divisors (37651596).

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

28238676 is a wasteful number, since it uses less digits than its factorization.

28238676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353230 (or 2353228 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 28238676 is about 5314.0075272811. The cubic root of 28238676 is about 304.5192677646.

The spelling of 28238676 in words is "twenty-eight million, two hundred thirty-eight thousand, six hundred seventy-six".