3942907 has 2 divisors, whose sum is σ = 3942908. Its totient is φ = 3942906.

The previous prime is 3942889. The next prime is 3942919. The reversal of 3942907 is 7092493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3942907 - 2¹⁹ = 3418619 is a prime.

It is a super-2 number, since 2×3942907² = 31093031221298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3942947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971453 + 1971454.

It is an arithmetic number, because the mean of its divisors is an integer number (1971454).

Almost surely, 2^3942907 is an apocalyptic number.

3942907 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942907 is an equidigital number, since it uses as much as digits as its factorization.

3942907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 3942907 is about 1985.6754518299. The cubic root of 3942907 is about 157.9812374238.

The spelling of 3942907 in words is "three million, nine hundred forty-two thousand, nine hundred seven".