3401909 has 16 divisors (see below), whose sum is σ = 4094976. Its totient is φ = 2764800.

The previous prime is 3401899. The next prime is 3401917. The reversal of 3401909 is 9091043.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3401909 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13109 + ... + 13365.

It is an arithmetic number, because the mean of its divisors is an integer number (255936).

Almost surely, 2^3401909 is an apocalyptic number.

It is an amenable number.

3401909 is a deficient number, since it is larger than the sum of its proper divisors (693067).

3401909 is a wasteful number, since it uses less digits than its factorization.

3401909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3401909 is about 1844.4264691226. The cubic root of 3401909 is about 150.3975970314.

The spelling of 3401909 in words is "three million, four hundred one thousand, nine hundred nine".