4185897 has 8 divisors (see below), whose sum is σ = 5593056. Its totient is φ = 2784672.

The previous prime is 4185869. The next prime is 4185901. The reversal of 4185897 is 7985814.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4185897 - 2⁸ = 4185641 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4185197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (699132).

Almost surely, 2^4185897 is an apocalyptic number.

It is an amenable number.

4185897 is a deficient number, since it is larger than the sum of its proper divisors (1407159).

4185897 is a wasteful number, since it uses less digits than its factorization.

4185897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967.

The product of its digits is 80640, while the sum is 42.

The square root of 4185897 is about 2045.9464802384. The cubic root of 4185897 is about 161.1620733307.

The spelling of 4185897 in words is "four million, one hundred eighty-five thousand, eight hundred ninety-seven".