3489979 has 4 divisors (see below), whose sum is σ = 3497176. Its totient is φ = 3482784.

The previous prime is 3489973. The next prime is 3490021. The reversal of 3489979 is 9799843.

3489979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3489979 - 2¹¹ = 3487931 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 (3489973) 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 3 ways as a sum of consecutive naturals, for example, 2814 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (874294).

Almost surely, 2^3489979 is an apocalyptic number.

3489979 is a deficient number, since it is larger than the sum of its proper divisors (7197).

3489979 is an equidigital number, since it uses as much as digits as its factorization.

3489979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7196.

The product of its digits is 489888, while the sum is 49.

The square root of 3489979 is about 1868.1485486973. The cubic root of 3489979 is about 151.6844069468.

The spelling of 3489979 in words is "three million, four hundred eighty-nine thousand, nine hundred seventy-nine".