3659898 has 32 divisors (see below), whose sum is σ = 8335872. Its totient is φ = 1060400.

The previous prime is 3659861. The next prime is 3659917. The reversal of 3659898 is 8989563.

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, 313 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (260496).

Almost surely, 2^3659898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4167936).

3659898 is an abundant number, since it is smaller than the sum of its proper divisors (4675974).

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

3659898 is a wasteful number, since it uses less digits than its factorization.

3659898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450.

The product of its digits is 466560, while the sum is 48.

The square root of 3659898 is about 1913.0859886581. The cubic root of 3659898 is about 154.1072227930.

The spelling of 3659898 in words is "three million, six hundred fifty-nine thousand, eight hundred ninety-eight".