3420143 has 8 divisors (see below), whose sum is σ = 3561408. Its totient is φ = 3281824.

The previous prime is 3420139. The next prime is 3420161. The reversal of 3420143 is 3410243.

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 3420143 - 2² = 3420139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3422143) 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, 1805 + ... + 3177.

It is an arithmetic number, because the mean of its divisors is an integer number (445176).

Almost surely, 2^3420143 is an apocalyptic number.

3420143 is a deficient number, since it is larger than the sum of its proper divisors (141265).

3420143 is a wasteful number, since it uses less digits than its factorization.

3420143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3420143 is about 1849.3628632586. The cubic root of 3420143 is about 150.6658253231.

Adding to 3420143 its reverse (3410243), we get a palindrome (6830386).

The spelling of 3420143 in words is "three million, four hundred twenty thousand, one hundred forty-three".