3705669 has 20 divisors (see below), whose sum is σ = 6040320. Its totient is φ = 2245320.

The previous prime is 3705659. The next prime is 3705679. The reversal of 3705669 is 9665073.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3705659) and next prime (3705679).

It is a de Polignac number, because none of the positive numbers 2^k-3705669 is a prime.

It is a super-2 number, since 2×3705669² = 27463965475122, which contains 22 as substring.

3705669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705619) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1189 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (302016).

Almost surely, 2^3705669 is an apocalyptic number.

It is an amenable number.

3705669 is a deficient number, since it is larger than the sum of its proper divisors (2334651).

3705669 is a wasteful number, since it uses less digits than its factorization.

3705669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3705669 is about 1925.0114285375. The cubic root of 3705669 is about 154.7469892401.

The spelling of 3705669 in words is "three million, seven hundred five thousand, six hundred sixty-nine".