3639100 has 36 divisors (see below), whose sum is σ = 7982128. Its totient is φ = 1440000.

The previous prime is 3639079. The next prime is 3639107. The reversal of 3639100 is 19363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14980 + ... + 15220.

Almost surely, 2^3639100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3639100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991064).

3639100 is an abundant number, since it is smaller than the sum of its proper divisors (4343028).

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

3639100 is a wasteful number, since it uses less digits than its factorization.

3639100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 3639100 is about 1907.6425241643. The cubic root of 3639100 is about 153.8147544894.

The spelling of 3639100 in words is "three million, six hundred thirty-nine thousand, one hundred".