3439784 has 8 divisors (see below), whose sum is σ = 6449610. Its totient is φ = 1719888.

The previous prime is 3439781. The next prime is 3439801. The reversal of 3439784 is 4879343.

3439784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2815684 + 624100 = 1678^2 + 790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3439784² = 23664227933312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3439781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214979 + ... + 214994.

Almost surely, 2^3439784 is an apocalyptic number.

It is an amenable number.

3439784 is a deficient number, since it is larger than the sum of its proper divisors (3009826).

3439784 is a wasteful number, since it uses less digits than its factorization.

3439784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429979 (or 429975 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 3439784 is about 1854.6654684875. The cubic root of 3439784 is about 150.9536866577.

The spelling of 3439784 in words is "three million, four hundred thirty-nine thousand, seven hundred eighty-four".