3897718 has 16 divisors (see below), whose sum is σ = 6656256. Its totient is φ = 1694440.

The previous prime is 3897703. The next prime is 3897721. The reversal of 3897718 is 8177983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346 + ... + 4357.

It is an arithmetic number, because the mean of its divisors is an integer number (416016).

Almost surely, 2^3897718 is an apocalyptic number.

3897718 is a deficient number, since it is larger than the sum of its proper divisors (2758538).

3897718 is a wasteful number, since it uses less digits than its factorization.

3897718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739.

The product of its digits is 84672, while the sum is 43.

The square root of 3897718 is about 1974.2639134624. The cubic root of 3897718 is about 157.3753847586.

The spelling of 3897718 in words is "three million, eight hundred ninety-seven thousand, seven hundred eighteen".