3560921 has 16 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 2783808.

The previous prime is 3560903. The next prime is 3560927. The reversal of 3560921 is 1290653.

It is a cyclic number.

It is not a de Polignac number, because 3560921 - 2¹⁴ = 3544537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3560927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9740 + ... + 10098.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

Almost surely, 2^3560921 is an apocalyptic number.

It is an amenable number.

3560921 is a deficient number, since it is larger than the sum of its proper divisors (874279).

3560921 is a wasteful number, since it uses less digits than its factorization.

3560921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3560921 is about 1887.0402751399. The cubic root of 3560921 is about 152.7053008465.

The spelling of 3560921 in words is "three million, five hundred sixty thousand, nine hundred twenty-one".