3560721 has 16 divisors (see below), whose sum is σ = 4901760. Its totient is φ = 2298240.

The previous prime is 3560681. The next prime is 3560741. The reversal of 3560721 is 1270653.

It is not a de Polignac number, because 3560721 - 2⁹ = 3560209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3560691 and 3560700.

It is not an unprimeable number, because it can be changed into a prime (3560741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15435 + ... + 15663.

It is an arithmetic number, because the mean of its divisors is an integer number (306360).

Almost surely, 2^3560721 is an apocalyptic number.

It is an amenable number.

3560721 is a deficient number, since it is larger than the sum of its proper divisors (1341039).

3560721 is a wasteful number, since it uses less digits than its factorization.

3560721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 3560721 is about 1886.9872813562. The cubic root of 3560721 is about 152.7024418828.

It can be divided in two parts, 35607 and 21, that multiplied together give a palindrome (747747).

The spelling of 3560721 in words is "three million, five hundred sixty thousand, seven hundred twenty-one".