3653632 has 30 divisors (see below), whose sum is σ = 7339808. Its totient is φ = 1818624.

The previous prime is 3653603. The next prime is 3653647. The reversal of 3653632 is 2363563.

It is a d-powerful number, because it can be written as 3¹¹ + 6⁵ + 5³ + 3¹³ + 6⁷ + 3¹³ + 2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3653632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16273 + ... + 16495.

Almost surely, 2^3653632 is an apocalyptic number.

3653632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3653632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669904).

3653632 is an abundant number, since it is smaller than the sum of its proper divisors (3686176).

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

3653632 is an frugal number, since it uses more digits than its factorization.

3653632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 225 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The square root of 3653632 is about 1911.4476189527. The cubic root of 3653632 is about 154.0192251256.

The spelling of 3653632 in words is "three million, six hundred fifty-three thousand, six hundred thirty-two".