3420243 has 12 divisors (see below), whose sum is σ = 5074368. Its totient is φ = 2218320.

The previous prime is 3420239. The next prime is 3420251.

3420243 is a `hidden beast` number, since 3 + 420 + 243 = 666.

3420243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3420243 - 2² = 3420239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3420203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4803 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (422864).

Almost surely, 2^3420243 is an apocalyptic number.

3420243 is a deficient number, since it is larger than the sum of its proper divisors (1654125).

3420243 is a wasteful number, since it uses less digits than its factorization.

3420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314 (or 10311 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3420243 is about 1849.3898993993. The cubic root of 3420243 is about 150.6672937253.

It can be divided in two parts, 3420 and 243, that added together give a palindrome (3663).

The spelling of 3420243 in words is "three million, four hundred twenty thousand, two hundred forty-three".