3963749 has 8 divisors (see below), whose sum is σ = 4143360. Its totient is φ = 3787056.

The previous prime is 3963721. The next prime is 3963763. The reversal of 3963749 is 9473693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3963749 - 2⁸ = 3963493 is a prime.

It is a super-2 number, since 2×3963749² = 31422612270002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (517920).

Almost surely, 2^3963749 is an apocalyptic number.

It is an amenable number.

3963749 is a deficient number, since it is larger than the sum of its proper divisors (179611).

3963749 is a wasteful number, since it uses less digits than its factorization.

3963749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459.

The product of its digits is 122472, while the sum is 41.

The square root of 3963749 is about 1990.9166230659. The cubic root of 3963749 is about 158.2591085770.

The spelling of 3963749 in words is "three million, nine hundred sixty-three thousand, seven hundred forty-nine".