28636076 has 48 divisors (see below), whose sum is σ = 59549952. Its totient is φ = 11793600.

The previous prime is 28636073. The next prime is 28636129. The reversal of 28636076 is 67063682.

28636076 = T₁₆₈ + T₁₆₉ + ... + T₅₆₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28636073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135611 + ... + 135821.

It is an arithmetic number, because the mean of its divisors is an integer number (1240624).

Almost surely, 2^28636076 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 28636076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29774976).

28636076 is an abundant number, since it is smaller than the sum of its proper divisors (30913876).

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

28636076 is a wasteful number, since it uses less digits than its factorization.

28636076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 28636076 is about 5351.2686346324. The cubic root of 28636076 is about 305.9411081790.

The spelling of 28636076 in words is "twenty-eight million, six hundred thirty-six thousand, seventy-six".