3942961 has 8 divisors (see below), whose sum is σ = 4317984. Its totient is φ = 3570720.

The previous prime is 3942947. The next prime is 3942977. The reversal of 3942961 is 1692493.

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 3942961 - 2¹⁷ = 3811889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3942931) 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, 3301 + ... + 4333.

It is an arithmetic number, because the mean of its divisors is an integer number (539748).

Almost surely, 2^3942961 is an apocalyptic number.

It is an amenable number.

3942961 is a deficient number, since it is larger than the sum of its proper divisors (375023).

3942961 is a wasteful number, since it uses less digits than its factorization.

3942961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its digits is 11664, while the sum is 34.

The square root of 3942961 is about 1985.6890491716. The cubic root of 3942961 is about 157.9819586301.

The spelling of 3942961 in words is "three million, nine hundred forty-two thousand, nine hundred sixty-one".