3639912 has 32 divisors (see below), whose sum is σ = 9348000. Its totient is φ = 1180224.

The previous prime is 3639869. The next prime is 3639913. The reversal of 3639912 is 2199363.

3639912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (292125).

Almost surely, 2^3639912 is an apocalyptic number.

It is an amenable number.

3639912 is an abundant number, since it is smaller than the sum of its proper divisors (5708088).

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

3639912 is a wasteful number, since it uses less digits than its factorization.

3639912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4141 counting only the distinct ones).

The product of its digits is 8748, while the sum is 33.

The square root of 3639912 is about 1907.8553404281. The cubic root of 3639912 is about 153.8261939746.

The spelling of 3639912 in words is "three million, six hundred thirty-nine thousand, nine hundred twelve".