4191397 has 8 divisors (see below), whose sum is σ = 4919936. Its totient is φ = 3495312.

The previous prime is 4191391. The next prime is 4191403. The reversal of 4191397 is 7931914.

It is an interprime number because it is at equal distance from previous prime (4191391) and next prime (4191403).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4191397 is a prime.

4191397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191391) 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, 7833 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (614992).

Almost surely, 2^4191397 is an apocalyptic number.

It is an amenable number.

4191397 is a deficient number, since it is larger than the sum of its proper divisors (728539).

4191397 is a wasteful number, since it uses less digits than its factorization.

4191397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16227.

The product of its digits is 6804, while the sum is 34.

The square root of 4191397 is about 2047.2901601874. The cubic root of 4191397 is about 161.2326279785.

The spelling of 4191397 in words is "four million, one hundred ninety-one thousand, three hundred ninety-seven".