6920140 has 24 divisors (see below), whose sum is σ = 14621040. Its totient is φ = 2751168.

The previous prime is 6920131. The next prime is 6920149. The reversal of 6920140 is 410296.

It is an interprime number because it is at equal distance from previous prime (6920131) and next prime (6920149).

It is not an unprimeable number, because it can be changed into a prime (6920149) by changing a digit.

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, 2614 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (609210).

Almost surely, 2^6920140 is an apocalyptic number.

It is an amenable number.

6920140 is an abundant number, since it is smaller than the sum of its proper divisors (7700900).

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

6920140 is a wasteful number, since it uses less digits than its factorization.

6920140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6920140 is about 2630.6158974658. The cubic root of 6920140 is about 190.5628737797.

The spelling of 6920140 in words is "six million, nine hundred twenty thousand, one hundred forty".