28376814 has 24 divisors (see below), whose sum is σ = 58013928. Its totient is φ = 9253360.

The previous prime is 28376813. The next prime is 28376839. The reversal of 28376814 is 41867382.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28376813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12184 + ... + 14324.

It is an arithmetic number, because the mean of its divisors is an integer number (2417247).

Almost surely, 2^28376814 is an apocalyptic number.

28376814 is an abundant number, since it is smaller than the sum of its proper divisors (29637114).

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

28376814 is a wasteful number, since it uses less digits than its factorization.

28376814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2193 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 28376814 is about 5326.9892059211. The cubic root of 28376814 is about 305.0150095632.

The spelling of 28376814 in words is "twenty-eight million, three hundred seventy-six thousand, eight hundred fourteen".