3140420 has 24 divisors (see below), whose sum is σ = 6882624. Its totient is φ = 1201376.

The previous prime is 3140413. The next prime is 3140437. The reversal of 3140420 is 240413.

It is a junction number, because it is equal to n+sod(n) for n = 3140395 and 3140404.

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, 2954 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (286776).

Almost surely, 2^3140420 is an apocalyptic number.

It is an amenable number.

3140420 is an abundant number, since it is smaller than the sum of its proper divisors (3742204).

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

3140420 is a wasteful number, since it uses less digits than its factorization.

3140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859 (or 6857 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3140420 is about 1772.1230205604. The cubic root of 3140420 is about 146.4409636831.

Adding to 3140420 its reverse (240413), we get a palindrome (3380833).

The spelling of 3140420 in words is "three million, one hundred forty thousand, four hundred twenty".