28676396 has 36 divisors (see below), whose sum is σ = 60551568. Its totient is φ = 11638944.

The previous prime is 28676387. The next prime is 28676411. The reversal of 28676396 is 69367682.

It is a self number, because there is not a number n which added to its sum of digits gives 28676396.

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, 8690 + ... + 11526.

It is an arithmetic number, because the mean of its divisors is an integer number (1681988).

Almost surely, 2^28676396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28676396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30275784).

28676396 is an abundant number, since it is smaller than the sum of its proper divisors (31875172).

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

28676396 is a wasteful number, since it uses less digits than its factorization.

28676396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2865 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 28676396 is about 5355.0346404108. The cubic root of 28676396 is about 306.0846306419.

The spelling of 28676396 in words is "twenty-eight million, six hundred seventy-six thousand, three hundred ninety-six".