3499561 has 8 divisors (see below), whose sum is σ = 3787784. Its totient is φ = 3214080.

The previous prime is 3499541. The next prime is 3499567. The reversal of 3499561 is 1659943.

3499561 = 120³ + 121³.

3499561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6400 + 3493161 = 80^2 + 1869^2 .

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 3499561 - 2⁹ = 3499049 is a prime.

It is an Ulam number.

3499561 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3499561.

It is not an unprimeable number, because it can be changed into a prime (3499567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (473473).

Almost surely, 2^3499561 is an apocalyptic number.

It is an amenable number.

3499561 is a deficient number, since it is larger than the sum of its proper divisors (288223).

3499561 is a wasteful number, since it uses less digits than its factorization.

3499561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its digits is 29160, while the sum is 37.

The square root of 3499561 is about 1870.7113620225. The cubic root of 3499561 is about 151.8231004114.

The spelling of 3499561 in words is "three million, four hundred ninety-nine thousand, five hundred sixty-one".