3963687 has 16 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 2090592.

The previous prime is 3963683. The next prime is 3963709. The reversal of 3963687 is 7863693.

It is not a de Polignac number, because 3963687 - 2² = 3963683 is a prime.

3963687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963683) 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, 6987 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (406560).

Almost surely, 2^3963687 is an apocalyptic number.

3963687 is a deficient number, since it is larger than the sum of its proper divisors (2541273).

3963687 is a wasteful number, since it uses less digits than its factorization.

3963687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542.

The product of its digits is 163296, while the sum is 42.

The square root of 3963687 is about 1990.9010522876. The cubic root of 3963687 is about 158.2582834225.

The spelling of 3963687 in words is "three million, nine hundred sixty-three thousand, six hundred eighty-seven".