3944807 has 2 divisors, whose sum is σ = 3944808. Its totient is φ = 3944806.

The previous prime is 3944791. The next prime is 3944813. The reversal of 3944807 is 7084493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3944807 - 2⁴ = 3944791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3944827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972403 + 1972404.

It is an arithmetic number, because the mean of its divisors is an integer number (1972404).

Almost surely, 2^3944807 is an apocalyptic number.

3944807 is a deficient number, since it is larger than the sum of its proper divisors (1).

3944807 is an equidigital number, since it uses as much as digits as its factorization.

3944807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3944807 is about 1986.1538208306. The cubic root of 3944807 is about 158.0066092412.

The spelling of 3944807 in words is "three million, nine hundred forty-four thousand, eight hundred seven".