3420449 has 4 divisors (see below), whose sum is σ = 3426864. Its totient is φ = 3414036.

The previous prime is 3420433. The next prime is 3420457. The reversal of 3420449 is 9440243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3420449 - 2⁴ = 3420433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327 + ... + 3500.

It is an arithmetic number, because the mean of its divisors is an integer number (856716).

Almost surely, 2^3420449 is an apocalyptic number.

It is an amenable number.

3420449 is a deficient number, since it is larger than the sum of its proper divisors (6415).

3420449 is an equidigital number, since it uses as much as digits as its factorization.

3420449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3420449 is about 1849.4455926034. The cubic root of 3420449 is about 150.6703185434.

The spelling of 3420449 in words is "three million, four hundred twenty thousand, four hundred forty-nine".