3399720 has 64 divisors (see below), whose sum is σ = 10463040. Its totient is φ = 883200.

The previous prime is 3399707. The next prime is 3399731. The reversal of 3399720 is 279933.

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, 4575 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (163485).

Almost surely, 2^3399720 is an apocalyptic number.

3399720 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 3399720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5231520).

3399720 is an abundant number, since it is smaller than the sum of its proper divisors (7063320).

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

3399720 is a wasteful number, since it uses less digits than its factorization.

3399720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 3399720 is about 1843.8329642351. The cubic root of 3399720 is about 150.3653317181.

The spelling of 3399720 in words is "three million, three hundred ninety-nine thousand, seven hundred twenty".