3688967 has 2 divisors, whose sum is σ = 3688968. Its totient is φ = 3688966.

The previous prime is 3688963. The next prime is 3688981. The reversal of 3688967 is 7698863.

It is a weak prime.

It is an emirp because it is prime and its reverse (7698863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3688967 - 2² = 3688963 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3688963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844483 + 1844484.

It is an arithmetic number, because the mean of its divisors is an integer number (1844484).

Almost surely, 2^3688967 is an apocalyptic number.

3688967 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688967 is an equidigital number, since it uses as much as digits as its factorization.

3688967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 3688967 is about 1920.6683732493. The cubic root of 3688967 is about 154.5141498615.

The spelling of 3688967 in words is "three million, six hundred eighty-eight thousand, nine hundred sixty-seven".