3479842 has 4 divisors (see below), whose sum is σ = 5219766. Its totient is φ = 1739920.

The previous prime is 3479807. The next prime is 3479857. The reversal of 3479842 is 2489743.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2489743 = 43 ⋅57901.

It can be written as a sum of positive squares in only one way, i.e., 2461761 + 1018081 = 1569^2 + 1009^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869959 + ... + 869962.

Almost surely, 2^3479842 is an apocalyptic number.

3479842 is a deficient number, since it is larger than the sum of its proper divisors (1739924).

3479842 is a wasteful number, since it uses less digits than its factorization.

3479842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739923.

The product of its digits is 48384, while the sum is 37.

The square root of 3479842 is about 1865.4334616919. The cubic root of 3479842 is about 151.5374035819.

Subtracting from 3479842 its reverse (2489743), we obtain a palindrome (990099).

The spelling of 3479842 in words is "three million, four hundred seventy-nine thousand, eight hundred forty-two".