3719997 has 12 divisors (see below), whose sum is σ = 5607264. Its totient is φ = 2372040.

The previous prime is 3719993. The next prime is 3719999. The reversal of 3719997 is 7999173.

It is not a de Polignac number, because 3719997 - 2² = 3719993 is a prime.

3719997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3719993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8779 + ... + 9192.

It is an arithmetic number, because the mean of its divisors is an integer number (467272).

Almost surely, 2^3719997 is an apocalyptic number.

It is an amenable number.

3719997 is a deficient number, since it is larger than the sum of its proper divisors (1887267).

3719997 is a wasteful number, since it uses less digits than its factorization.

3719997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000 (or 17997 counting only the distinct ones).

The product of its digits is 107163, while the sum is 45.

The square root of 3719997 is about 1928.7293744847. The cubic root of 3719997 is about 154.9461762477.

The spelling of 3719997 in words is "three million, seven hundred nineteen thousand, nine hundred ninety-seven".