14173857 has 6 divisors (see below), whose sum is σ = 20473362. Its totient is φ = 9449232.

The previous prime is 14173853. The next prime is 14173891. The reversal of 14173857 is 75837141.

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 2944656 = 3351^2 + 1716^2 .

It is not a de Polignac number, because 14173857 - 2² = 14173853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14173853) 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, 787428 + ... + 787445.

It is an arithmetic number, because the mean of its divisors is an integer number (3412227).

Almost surely, 2^14173857 is an apocalyptic number.

It is an amenable number.

14173857 is a deficient number, since it is larger than the sum of its proper divisors (6299505).

14173857 is a wasteful number, since it uses less digits than its factorization.

14173857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574879 (or 1574876 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 14173857 is about 3764.8183223099. The cubic root of 14173857 is about 242.0077917943.

The spelling of 14173857 in words is "fourteen million, one hundred seventy-three thousand, eight hundred fifty-seven".