3897693 has 16 divisors (see below), whose sum is σ = 5808000. Its totient is φ = 2583360.

The previous prime is 3897683. The next prime is 3897703. The reversal of 3897693 is 3967983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3897683) and next prime (3897703).

It is not a de Polignac number, because 3897693 - 2⁹ = 3897181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6208 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (363000).

Almost surely, 2^3897693 is an apocalyptic number.

It is an amenable number.

3897693 is a deficient number, since it is larger than the sum of its proper divisors (1910307).

3897693 is a wasteful number, since it uses less digits than its factorization.

3897693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 843 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3897693 is about 1974.2575819786. The cubic root of 3897693 is about 157.3750482888.

The spelling of 3897693 in words is "three million, eight hundred ninety-seven thousand, six hundred ninety-three".