3449904 has 40 divisors (see below), whose sum is σ = 9134832. Its totient is φ = 1121280.

The previous prime is 3449903. The next prime is 3449909. The reversal of 3449904 is 4099443.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3449903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 2844.

Almost surely, 2^3449904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3449904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4567416).

3449904 is an abundant number, since it is smaller than the sum of its proper divisors (5684928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3449904 is a wasteful number, since it uses less digits than its factorization.

3449904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3449904 is about 1857.3917195896. The cubic root of 3449904 is about 151.1015792398.

The spelling of 3449904 in words is "three million, four hundred forty-nine thousand, nine hundred four".