4019397 has 8 divisors (see below), whose sum is σ = 5439456. Its totient is φ = 2639472.

The previous prime is 4019387. The next prime is 4019401. The reversal of 4019397 is 7939104.

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

It is not a de Polignac number, because 4019397 - 2¹⁰ = 4018373 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019377) 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, 9798 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (679932).

Almost surely, 2^4019397 is an apocalyptic number.

It is an amenable number.

4019397 is a deficient number, since it is larger than the sum of its proper divisors (1420059).

4019397 is a wasteful number, since it uses less digits than its factorization.

4019397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20067.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4019397 is about 2004.8433854045. The cubic root of 4019397 is about 158.9962817057.

The spelling of 4019397 in words is "four million, nineteen thousand, three hundred ninety-seven".