3940051 has 4 divisors (see below), whose sum is σ = 4004704. Its totient is φ = 3875400.

The previous prime is 3940033. The next prime is 3940063. The reversal of 3940051 is 1500493.

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

It is a cyclic number.

It is not a de Polignac number, because 3940051 - 2⁹ = 3939539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32235 + ... + 32356.

It is an arithmetic number, because the mean of its divisors is an integer number (1001176).

Almost surely, 2^3940051 is an apocalyptic number.

3940051 is a deficient number, since it is larger than the sum of its proper divisors (64653).

3940051 is an equidigital number, since it uses as much as digits as its factorization.

3940051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64652.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3940051 is about 1984.9561708008. The cubic root of 3940051 is about 157.9430842374.

The spelling of 3940051 in words is "three million, nine hundred forty thousand, fifty-one".