3499945 has 8 divisors (see below), whose sum is σ = 4259520. Its totient is φ = 2760240.

The previous prime is 3499921. The next prime is 3499967. The reversal of 3499945 is 5499943.

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

It is not a de Polignac number, because 3499945 - 2⁵ = 3499913 is a prime.

It is an unprimeable number.

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, 4575 + ... + 5284.

It is an arithmetic number, because the mean of its divisors is an integer number (532440).

Almost surely, 2^3499945 is an apocalyptic number.

It is an amenable number.

3499945 is a deficient number, since it is larger than the sum of its proper divisors (759575).

3499945 is an equidigital number, since it uses as much as digits as its factorization.

3499945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935.

The product of its digits is 174960, while the sum is 43.

The square root of 3499945 is about 1870.8139939609. The cubic root of 3499945 is about 151.8286532925.

It can be divided in two parts, 3499 and 945, that added together give a palindrome (4444).

The spelling of 3499945 in words is "three million, four hundred ninety-nine thousand, nine hundred forty-five".