3420003 has 8 divisors (see below), whose sum is σ = 4611600. Its totient is φ = 2254208.

The previous prime is 3419963. The next prime is 3420023. The reversal of 3420003 is 3000243.

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 3420003 - 2⁹ = 3419491 is a prime.

It is an Ulam number.

3420003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3420023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6138 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (576450).

Almost surely, 2^3420003 is an apocalyptic number.

3420003 is a deficient number, since it is larger than the sum of its proper divisors (1191597).

3420003 is a wasteful number, since it uses less digits than its factorization.

3420003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3420003 is about 1849.3250119976. The cubic root of 3420003 is about 150.6637695121.

Adding to 3420003 its reverse (3000243), we get a palindrome (6420246).

The spelling of 3420003 in words is "three million, four hundred twenty thousand, three".