28376064 has 66 divisors (see below), whose sum is σ = 81961880. Its totient is φ = 9455616.

The previous prime is 28376053. The next prime is 28376083. The reversal of 28376064 is 46067382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7677 + ... + 10755.

Almost surely, 2^28376064 is an apocalyptic number.

28376064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28376064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40980940).

28376064 is an abundant number, since it is smaller than the sum of its proper divisors (53585816).

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

28376064 is a wasteful number, since it uses less digits than its factorization.

28376064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 28376064 is about 5326.9188092180. The cubic root of 28376064 is about 305.0123223544.

The spelling of 28376064 in words is "twenty-eight million, three hundred seventy-six thousand, sixty-four".