3659340 has 48 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 960960.

The previous prime is 3659321. The next prime is 3659347. The reversal of 3659340 is 439563.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3659298 and 3659307.

It is not an unprimeable number, because it can be changed into a prime (3659347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (216720).

Almost surely, 2^3659340 is an apocalyptic number.

3659340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5201280).

3659340 is an abundant number, since it is smaller than the sum of its proper divisors (6743220).

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

3659340 is a wasteful number, since it uses less digits than its factorization.

3659340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3659340 is about 1912.9401454306. The cubic root of 3659340 is about 154.0993904982.

The spelling of 3659340 in words is "three million, six hundred fifty-nine thousand, three hundred forty".