3669623 has 12 divisors (see below), whose sum is σ = 3928440. Its totient is φ = 3424320.

The previous prime is 3669613. The next prime is 3669643. The reversal of 3669623 is 3269663.

It is not a de Polignac number, because 3669623 - 2¹² = 3665527 is a prime.

It is a super-2 number, since 2×3669623² = 26932265924258, 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 (3669613) 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, 62168 + ... + 62226.

It is an arithmetic number, because the mean of its divisors is an integer number (327370).

Almost surely, 2^3669623 is an apocalyptic number.

3669623 is a deficient number, since it is larger than the sum of its proper divisors (258817).

3669623 is an equidigital number, since it uses as much as digits as its factorization.

3669623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 137 counting only the distinct ones).

The product of its digits is 34992, while the sum is 35.

The square root of 3669623 is about 1915.6260073407. The cubic root of 3669623 is about 154.2435988402.

The spelling of 3669623 in words is "three million, six hundred sixty-nine thousand, six hundred twenty-three".