6984540 has 36 divisors (see below), whose sum is σ = 21186984. Its totient is φ = 1862496.

The previous prime is 6984521. The next prime is 6984541. The reversal of 6984540 is 454896.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6984495 and 6984504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19222 + ... + 19581.

Almost surely, 2^6984540 is an apocalyptic number.

6984540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6984540 is an abundant number, since it is smaller than the sum of its proper divisors (14202444).

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

6984540 is a wasteful number, since it uses less digits than its factorization.

6984540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38818 (or 38813 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6984540 is about 2642.8280307277. The cubic root of 6984540 is about 191.1521863016.

The spelling of 6984540 in words is "six million, nine hundred eighty-four thousand, five hundred forty".