28319064 has 16 divisors (see below), whose sum is σ = 70797720. Its totient is φ = 9439680.

The previous prime is 28319047. The next prime is 28319099. The reversal of 28319064 is 46091382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589957 + ... + 590004.

Almost surely, 2^28319064 is an apocalyptic number.

28319064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28319064 is an abundant number, since it is smaller than the sum of its proper divisors (42478656).

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

28319064 is a wasteful number, since it uses less digits than its factorization.

28319064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179970 (or 1179966 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 28319064 is about 5321.5659349481. The cubic root of 28319064 is about 304.8079557860.

The spelling of 28319064 in words is "twenty-eight million, three hundred nineteen thousand, sixty-four".