3428736 has 32 divisors (see below), whose sum is σ = 9108600. Its totient is φ = 1142784.

The previous prime is 3428717. The next prime is 3428743. The reversal of 3428736 is 6378243.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3428697 and 3428706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081 + ... + 4848.

Almost surely, 2^3428736 is an apocalyptic number.

It is an amenable number.

3428736 is an abundant number, since it is smaller than the sum of its proper divisors (5679864).

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

3428736 is an equidigital number, since it uses as much as digits as its factorization.

3428736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946 (or 8934 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 3428736 is about 1851.6846383766. The cubic root of 3428736 is about 150.7919008190.

The spelling of 3428736 in words is "three million, four hundred twenty-eight thousand, seven hundred thirty-six".