3439679 has 2 divisors, whose sum is σ = 3439680. Its totient is φ = 3439678.

The previous prime is 3439669. The next prime is 3439691. The reversal of 3439679 is 9769343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3439679 - 2⁴ = 3439663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3439609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719839 + 1719840.

It is an arithmetic number, because the mean of its divisors is an integer number (1719840).

Almost surely, 2^3439679 is an apocalyptic number.

3439679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3439679 is an equidigital number, since it uses as much as digits as its factorization.

3439679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 3439679 is about 1854.6371612798. The cubic root of 3439679 is about 150.9521506796.

The spelling of 3439679 in words is "three million, four hundred thirty-nine thousand, six hundred seventy-nine".