3499942 has 8 divisors (see below), whose sum is σ = 5372136. Its totient is φ = 1709232.

The previous prime is 3499921. The next prime is 3499967. The reversal of 3499942 is 2499943.

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

It is a d-powerful number, because it can be written as 3¹³ + 4⁷ + 9⁶ + 9⁶ + 9⁶ + 4⁹ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3499895 and 3499904.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 20263 + ... + 20434.

It is an arithmetic number, because the mean of its divisors is an integer number (671517).

Almost surely, 2^3499942 is an apocalyptic number.

3499942 is a deficient number, since it is larger than the sum of its proper divisors (1872194).

3499942 is a wasteful number, since it uses less digits than its factorization.

3499942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40742.

The product of its digits is 69984, while the sum is 40.

The square root of 3499942 is about 1870.8131921707. The cubic root of 3499942 is about 151.8286099122.

Subtracting from 3499942 its reverse (2499943), we obtain a palindrome (999999).

The spelling of 3499942 in words is "three million, four hundred ninety-nine thousand, nine hundred forty-two".