3925667 has 2 divisors, whose sum is σ = 3925668. Its totient is φ = 3925666.

The previous prime is 3925637. The next prime is 3925693. The reversal of 3925667 is 7665293.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3925667 is a prime.

It is a super-2 number, since 2×3925667² = 30821722789778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3925667.

It is not a weakly prime, because it can be changed into another prime (3925637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962833 + 1962834.

It is an arithmetic number, because the mean of its divisors is an integer number (1962834).

Almost surely, 2^3925667 is an apocalyptic number.

3925667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3925667 is an equidigital number, since it uses as much as digits as its factorization.

3925667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 3925667 is about 1981.3296040790. The cubic root of 3925667 is about 157.7506481857.

The spelling of 3925667 in words is "three million, nine hundred twenty-five thousand, six hundred sixty-seven".