3499861 has 8 divisors (see below), whose sum is σ = 3578400. Its totient is φ = 3422352.

The previous prime is 3499843. The next prime is 3499871. The reversal of 3499861 is 1689943.

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 3499861 - 2⁵ = 3499829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499831) 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 7 ways as a sum of consecutive naturals, for example, 12226 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (447300).

Almost surely, 2^3499861 is an apocalyptic number.

It is an amenable number.

3499861 is a deficient number, since it is larger than the sum of its proper divisors (78539).

3499861 is a wasteful number, since it uses less digits than its factorization.

3499861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its digits is 46656, while the sum is 40.

The square root of 3499861 is about 1870.7915437055. The cubic root of 3499861 is about 151.8274386345.

The spelling of 3499861 in words is "three million, four hundred ninety-nine thousand, eight hundred sixty-one".