4197855 has 8 divisors (see below), whose sum is σ = 6716592. Its totient is φ = 2238848.

The previous prime is 4197839. The next prime is 4197857. The reversal of 4197855 is 5587914.

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

It is a cyclic number.

It is not a de Polignac number, because 4197855 - 2⁴ = 4197839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197857) 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 7 ways as a sum of consecutive naturals, for example, 139914 + ... + 139943.

It is an arithmetic number, because the mean of its divisors is an integer number (839574).

Almost surely, 2^4197855 is an apocalyptic number.

4197855 is a deficient number, since it is larger than the sum of its proper divisors (2518737).

4197855 is a wasteful number, since it uses less digits than its factorization.

4197855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279865.

The product of its digits is 50400, while the sum is 39.

The square root of 4197855 is about 2048.8667599432. The cubic root of 4197855 is about 161.3153932233.

The spelling of 4197855 in words is "four million, one hundred ninety-seven thousand, eight hundred fifty-five".