3667617 has 12 divisors (see below), whose sum is σ = 5388240. Its totient is φ = 2403288.

The previous prime is 3667591. The next prime is 3667621. The reversal of 3667617 is 7167663.

3667617 is a `hidden beast` number, since 36 + 6 + 7 + 617 = 666.

It is not a de Polignac number, because 3667617 - 2⁶ = 3667553 is a prime.

3667617 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3667637) 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, 2923 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (449020).

Almost surely, 2^3667617 is an apocalyptic number.

It is an amenable number.

3667617 is a deficient number, since it is larger than the sum of its proper divisors (1720623).

3667617 is a wasteful number, since it uses less digits than its factorization.

3667617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972 (or 6969 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 3667617 is about 1915.1023471345. The cubic root of 3667617 is about 154.2154879546.

The spelling of 3667617 in words is "three million, six hundred sixty-seven thousand, six hundred seventeen".