6506940 has 48 divisors (see below), whose sum is σ = 19877760. Its totient is φ = 1577280.

The previous prime is 6506939. The next prime is 6506959. The reversal of 6506940 is 496056.

6506940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6506898 and 6506907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4270 + ... + 5589.

It is an arithmetic number, because the mean of its divisors is an integer number (414120).

Almost surely, 2^6506940 is an apocalyptic number.

6506940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6506940 is an abundant number, since it is smaller than the sum of its proper divisors (13370820).

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

6506940 is a wasteful number, since it uses less digits than its factorization.

6506940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9882 (or 9880 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6506940 is about 2550.8704396735. The cubic root of 6506940 is about 186.6919537738.

The spelling of 6506940 in words is "six million, five hundred six thousand, nine hundred forty".