3967659 has 12 divisors (see below), whose sum is σ = 5916352. Its totient is φ = 2559600.

The previous prime is 3967651. The next prime is 3967669. The reversal of 3967659 is 9567693.

It is not a de Polignac number, because 3967659 - 2³ = 3967651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3967651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6832 + ... + 7389.

Almost surely, 2^3967659 is an apocalyptic number.

3967659 is a deficient number, since it is larger than the sum of its proper divisors (1948693).

3967659 is a wasteful number, since it uses less digits than its factorization.

3967659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14258 (or 14255 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3967659 is about 1991.8983407795. The cubic root of 3967659 is about 158.3111291732.

The spelling of 3967659 in words is "three million, nine hundred sixty-seven thousand, six hundred fifty-nine".