3142420 has 24 divisors (see below), whose sum is σ = 6741504. Its totient is φ = 1229856.

The previous prime is 3142393. The next prime is 3142441. The reversal of 3142420 is 242413.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3142394 and 3142403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (280896).

Almost surely, 2^3142420 is an apocalyptic number.

It is an amenable number.

3142420 is an abundant number, since it is smaller than the sum of its proper divisors (3599084).

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

3142420 is a wasteful number, since it uses less digits than its factorization.

3142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3142420 is about 1772.6872256549. The cubic root of 3142420 is about 146.4720444276.

Adding to 3142420 its reverse (242413), we get a palindrome (3384833).

The spelling of 3142420 in words is "three million, one hundred forty-two thousand, four hundred twenty".