3901967 has 2 divisors, whose sum is σ = 3901968. Its totient is φ = 3901966.

The previous prime is 3901957. The next prime is 3901981. The reversal of 3901967 is 7691093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3901967 - 2⁴ = 3901951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3901907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950983 + 1950984.

It is an arithmetic number, because the mean of its divisors is an integer number (1950984).

Almost surely, 2^3901967 is an apocalyptic number.

3901967 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901967 is an equidigital number, since it uses as much as digits as its factorization.

3901967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3901967 is about 1975.3397176182. The cubic root of 3901967 is about 157.4325502737.

It can be divided in two parts, 390196 and 7, that multiplied together give a palindrome (2731372).

The spelling of 3901967 in words is "three million, nine hundred one thousand, nine hundred sixty-seven".