28376384 has 28 divisors (see below), whose sum is σ = 58254900. Its totient is φ = 13698048.

The previous prime is 28376339. The next prime is 28376389. The reversal of 28376384 is 48367382.

It can be written as a sum of positive squares in 2 ways, for example, as 16321600 + 12054784 = 4040^2 + 3472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28376389) 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, 5789 + ... + 9500.

Almost surely, 2^28376384 is an apocalyptic number.

It is an amenable number.

28376384 is an abundant number, since it is smaller than the sum of its proper divisors (29878516).

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

28376384 is a wasteful number, since it uses less digits than its factorization.

28376384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330 (or 15320 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 28376384 is about 5326.9488452584. The cubic root of 28376384 is about 305.0134689026.

It can be divided in two parts, 283 and 76384, that added together give a palindrome (76667).

The spelling of 28376384 in words is "twenty-eight million, three hundred seventy-six thousand, three hundred eighty-four".