3346720 has 48 divisors (see below), whose sum is σ = 8520120. Its totient is φ = 1234944.

The previous prime is 3346711. The next prime is 3346723. The reversal of 3346720 is 276433.

It can be written as a sum of positive squares in 4 ways, for example, as 2972176 + 374544 = 1724^2 + 612^2 .

It is a super-2 number, since 2×3346720² = 22401069516800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3346723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 2884.

Almost surely, 2^3346720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3346720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4260060).

3346720 is an abundant number, since it is smaller than the sum of its proper divisors (5173400).

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

3346720 is a wasteful number, since it uses less digits than its factorization.

3346720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 3346720 is about 1829.4042746206. The cubic root of 3346720 is about 149.5798613592.

The spelling of 3346720 in words is "three million, three hundred forty-six thousand, seven hundred twenty".