3405979 has 2 divisors, whose sum is σ = 3405980. Its totient is φ = 3405978.

The previous prime is 3405973. The next prime is 3406003. The reversal of 3405979 is 9795043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3405979 - 2⁵ = 3405947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3405973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702989 + 1702990.

It is an arithmetic number, because the mean of its divisors is an integer number (1702990).

Almost surely, 2^3405979 is an apocalyptic number.

3405979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405979 is an equidigital number, since it uses as much as digits as its factorization.

3405979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3405979 is about 1845.5294633248. The cubic root of 3405979 is about 150.4575510427.

The spelling of 3405979 in words is "three million, four hundred five thousand, nine hundred seventy-nine".