3956943 has 8 divisors (see below), whose sum is σ = 5505408. Its totient is φ = 2523224.

The previous prime is 3956941. The next prime is 3956957. The reversal of 3956943 is 3496593.

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 3956943 - 2¹ = 3956941 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956941) 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, 28605 + ... + 28742.

It is an arithmetic number, because the mean of its divisors is an integer number (688176).

Almost surely, 2^3956943 is an apocalyptic number.

3956943 is a deficient number, since it is larger than the sum of its proper divisors (1548465).

3956943 is a wasteful number, since it uses less digits than its factorization.

3956943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57373.

The product of its digits is 87480, while the sum is 39.

The square root of 3956943 is about 1989.2066257682. The cubic root of 3956943 is about 158.1684764868.

The spelling of 3956943 in words is "three million, nine hundred fifty-six thousand, nine hundred forty-three".