3303920 has 20 divisors (see below), whose sum is σ = 7681800. Its totient is φ = 1321536.

The previous prime is 3303893. The next prime is 3303953. The reversal of 3303920 is 293033.

3303920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3303892 and 3303901.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20570 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (384090).

Almost surely, 2^3303920 is an apocalyptic number.

It is an amenable number.

3303920 is an abundant number, since it is smaller than the sum of its proper divisors (4377880).

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

3303920 is a wasteful number, since it uses less digits than its factorization.

3303920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41312 (or 41306 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3303920 is about 1817.6688367247. The cubic root of 3303920 is about 148.9394826532.

Adding to 3303920 its reverse (293033), we get a palindrome (3596953).

The spelling of 3303920 in words is "three million, three hundred three thousand, nine hundred twenty".