3406784 has 14 divisors (see below), whose sum is σ = 6760464. Its totient is φ = 1703360.

The previous prime is 3406763. The next prime is 3406801. The reversal of 3406784 is 4876043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3406784.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26552 + ... + 26679.

Almost surely, 2^3406784 is an apocalyptic number.

It is an amenable number.

3406784 is a deficient number, since it is larger than the sum of its proper divisors (3353680).

3406784 is an equidigital number, since it uses as much as digits as its factorization.

3406784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53243 (or 53233 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3406784 is about 1845.7475450343. The cubic root of 3406784 is about 150.4694036101.

The spelling of 3406784 in words is "three million, four hundred six thousand, seven hundred eighty-four".