3659850 has 48 divisors (see below), whose sum is σ = 10088640. Its totient is φ = 975600.

The previous prime is 3659849. The next prime is 3659861. The reversal of 3659850 is 589563.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (210180).

Almost surely, 2^3659850 is an apocalyptic number.

3659850 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 3659850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5044320).

3659850 is an abundant number, since it is smaller than the sum of its proper divisors (6428790).

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

3659850 is a wasteful number, since it uses less digits than its factorization.

3659850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 3659850 is about 1913.0734434412. The cubic root of 3659850 is about 154.1065490785.

The spelling of 3659850 in words is "three million, six hundred fifty-nine thousand, eight hundred fifty".