3698671 has 2 divisors, whose sum is σ = 3698672. Its totient is φ = 3698670.

The previous prime is 3698663. The next prime is 3698683. The reversal of 3698671 is 1768963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3698671 - 2³ = 3698663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3698371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849335 + 1849336.

It is an arithmetic number, because the mean of its divisors is an integer number (1849336).

Almost surely, 2^3698671 is an apocalyptic number.

3698671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698671 is an equidigital number, since it uses as much as digits as its factorization.

3698671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 3698671 is about 1923.1929180402. The cubic root of 3698671 is about 154.6495167972.

The spelling of 3698671 in words is "three million, six hundred ninety-eight thousand, six hundred seventy-one".