3316720 has 40 divisors (see below), whose sum is σ = 8414640. Its totient is φ = 1205760.

The previous prime is 3316711. The next prime is 3316723. The reversal of 3316720 is 276133.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3316720² = 22001263116800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3316691 and 3316700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3316723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 2764.

It is an arithmetic number, because the mean of its divisors is an integer number (210366).

Almost surely, 2^3316720 is an apocalyptic number.

It is an amenable number.

3316720 is an abundant number, since it is smaller than the sum of its proper divisors (5097920).

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

3316720 is a wasteful number, since it uses less digits than its factorization.

3316720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3316720 is about 1821.1864264814. The cubic root of 3316720 is about 149.1315745435.

The spelling of 3316720 in words is "three million, three hundred sixteen thousand, seven hundred twenty".