3669654 has 16 divisors (see below), whose sum is σ = 7771248. Its totient is φ = 1151232.

The previous prime is 3669649. The next prime is 3669691. The reversal of 3669654 is 4569663.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17887 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (485703).

Almost surely, 2^3669654 is an apocalyptic number.

3669654 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3669654 is an abundant number, since it is smaller than the sum of its proper divisors (4101594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3669654 is a wasteful number, since it uses less digits than its factorization.

3669654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35999.

The product of its digits is 116640, while the sum is 39.

The square root of 3669654 is about 1915.6340986733. The cubic root of 3669654 is about 154.2440331753.

Subtracting 3669654 from its reverse (4569663), we obtain a palindrome (900009).

The spelling of 3669654 in words is "three million, six hundred sixty-nine thousand, six hundred fifty-four".