3963747 has 4 divisors (see below), whose sum is σ = 5285000. Its totient is φ = 2642496.

The previous prime is 3963721. The next prime is 3963763. The reversal of 3963747 is 7473693.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3963747 - 2⁶ = 3963683 is a prime.

It is a super-2 number, since 2×3963747² = 31422580560018, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3962747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660622 + ... + 660627.

It is an arithmetic number, because the mean of its divisors is an integer number (1321250).

Almost surely, 2^3963747 is an apocalyptic number.

3963747 is a deficient number, since it is larger than the sum of its proper divisors (1321253).

3963747 is a wasteful number, since it uses less digits than its factorization.

3963747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321252.

The product of its digits is 95256, while the sum is 39.

The square root of 3963747 is about 1990.9161207846. The cubic root of 3963747 is about 158.2590819592.

The spelling of 3963747 in words is "three million, nine hundred sixty-three thousand, seven hundred forty-seven".