3659418 has 60 divisors (see below), whose sum is σ = 9559242. Its totient is φ = 1043280.

The previous prime is 3659401. The next prime is 3659441. The reversal of 3659418 is 8149563.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 321489 = 1827^2 + 567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7708 + ... + 8168.

Almost surely, 2^3659418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4779621).

3659418 is an abundant number, since it is smaller than the sum of its proper divisors (5899824).

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

3659418 is a wasteful number, since it uses less digits than its factorization.

3659418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 473 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3659418 is about 1912.9605327868. The cubic root of 3659418 is about 154.1004853830.

The spelling of 3659418 in words is "three million, six hundred fifty-nine thousand, four hundred eighteen".