3360721 has 8 divisors (see below), whose sum is σ = 4136384. Its totient is φ = 2658960.

The previous prime is 3360719. The next prime is 3360727. The reversal of 3360721 is 1270633.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3360721 - 2¹ = 3360719 is a prime.

It is a super-2 number, since 2×3360721² = 22588891279682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3360692 and 3360701.

It is not an unprimeable number, because it can be changed into a prime (3360727) 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, 18375 + ... + 18556.

It is an arithmetic number, because the mean of its divisors is an integer number (517048).

Almost surely, 2^3360721 is an apocalyptic number.

It is an amenable number.

3360721 is a deficient number, since it is larger than the sum of its proper divisors (775663).

3360721 is a wasteful number, since it uses less digits than its factorization.

3360721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36951.

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

The square root of 3360721 is about 1833.2269363066. The cubic root of 3360721 is about 149.7881602262.

The spelling of 3360721 in words is "three million, three hundred sixty thousand, seven hundred twenty-one".