3641550 has 48 divisors (see below), whose sum is σ = 9856512. Its totient is φ = 882400.

The previous prime is 3641549. The next prime is 3641551. The reversal of 3641550 is 551463.

It is an interprime number because it is at equal distance from previous prime (3641549) and next prime (3641551).

It is a self number, because there is not a number n which added to its sum of digits gives 3641550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (205344).

Almost surely, 2^3641550 is an apocalyptic number.

3641550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3641550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4928256).

3641550 is an abundant number, since it is smaller than the sum of its proper divisors (6214962).

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

3641550 is a wasteful number, since it uses less digits than its factorization.

3641550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3641550 is about 1908.2845699738. The cubic root of 3641550 is about 153.8492650012.

The spelling of 3641550 in words is "three million, six hundred forty-one thousand, five hundred fifty".