3689967 has 8 divisors (see below), whose sum is σ = 4946224. Its totient is φ = 2446848.

The previous prime is 3689963. The next prime is 3689993. The reversal of 3689967 is 7699863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3689967 - 2² = 3689963 is a prime.

It is a super-2 number, since 2×3689967² = 27231712922178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (618278).

Almost surely, 2^3689967 is an apocalyptic number.

3689967 is a deficient number, since it is larger than the sum of its proper divisors (1256257).

3689967 is a wasteful number, since it uses less digits than its factorization.

3689967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569.

The product of its digits is 489888, while the sum is 48.

The square root of 3689967 is about 1920.9286816537. The cubic root of 3689967 is about 154.5281104265.

It can be divided in two parts, 3689 and 967, that added together give a triangular number (4656 = T₉₆).

The spelling of 3689967 in words is "three million, six hundred eighty-nine thousand, nine hundred sixty-seven".