14397866 has 12 divisors (see below), whose sum is σ = 25122978. Its totient is φ = 6170472.

The previous prime is 14397841. The next prime is 14397869. The reversal of 14397866 is 66879341.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 1901641 = 3535^2 + 1379^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14397869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73361 + ... + 73556.

Almost surely, 2^14397866 is an apocalyptic number.

14397866 is a deficient number, since it is larger than the sum of its proper divisors (10725112).

14397866 is a wasteful number, since it uses less digits than its factorization.

14397866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146933 (or 146926 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 14397866 is about 3794.4520025954. The cubic root of 14397866 is about 243.2760612486.

The spelling of 14397866 in words is "fourteen million, three hundred ninety-seven thousand, eight hundred sixty-six".