3641000 has 64 divisors (see below), whose sum is σ = 9322560. Its totient is φ = 1320000.

The previous prime is 3640999. The next prime is 3641041. The reversal of 3641000 is 1463.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10835 + ... + 11165.

It is an arithmetic number, because the mean of its divisors is an integer number (145665).

Almost surely, 2^3641000 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 3641000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4661280).

3641000 is an abundant number, since it is smaller than the sum of its proper divisors (5681560).

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

3641000 is a wasteful number, since it uses less digits than its factorization.

3641000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3641000 is about 1908.1404560461. The cubic root of 3641000 is about 153.8415190911.

Adding to 3641000 its reverse (1463), we get a palindrome (3642463).

The spelling of 3641000 in words is "three million, six hundred forty-one thousand".