3420403 has 8 divisors (see below), whose sum is σ = 3921408. Its totient is φ = 2922504.

The previous prime is 3420401. The next prime is 3420409. The reversal of 3420403 is 3040243.

3420403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3420403 - 2¹ = 3420401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420401) 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 in 7 ways as a sum of consecutive naturals, for example, 2550 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (490176).

Almost surely, 2^3420403 is an apocalyptic number.

3420403 is a deficient number, since it is larger than the sum of its proper divisors (501005).

3420403 is a wasteful number, since it uses less digits than its factorization.

3420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3420403 is about 1849.4331564023. The cubic root of 3420403 is about 150.6696431091.

Adding to 3420403 its reverse (3040243), we get a palindrome (6460646).

The spelling of 3420403 in words is "three million, four hundred twenty thousand, four hundred three".