28427014 has 48 divisors (see below), whose sum is σ = 54429984. Its totient is φ = 10897920.

The previous prime is 28426991. The next prime is 28427017. The reversal of 28427014 is 41072482.

28427014 = 137² + 138² + ... + 444².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28427017) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 164232 + ... + 164404.

It is an arithmetic number, because the mean of its divisors is an integer number (1133958).

Almost surely, 2^28427014 is an apocalyptic number.

28427014 is a deficient number, since it is larger than the sum of its proper divisors (26002970).

28427014 is a wasteful number, since it uses less digits than its factorization.

28427014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 28427014 is about 5331.6989787496. The cubic root of 28427014 is about 305.1947658631.

Adding to 28427014 its reverse (41072482), we get a palindrome (69499496).

The spelling of 28427014 in words is "twenty-eight million, four hundred twenty-seven thousand, fourteen".