3401209 has 16 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 2724624.

The previous prime is 3401197. The next prime is 3401213. The reversal of 3401209 is 9021043.

It is not a de Polignac number, because 3401209 - 2⁷ = 3401081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3401009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14112 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^3401209 is an apocalyptic number.

It is an amenable number.

3401209 is a deficient number, since it is larger than the sum of its proper divisors (745991).

3401209 is a wasteful number, since it uses less digits than its factorization.

3401209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3401209 is about 1844.2366984745. The cubic root of 3401209 is about 150.3872807119.

The spelling of 3401209 in words is "three million, four hundred one thousand, two hundred nine".