6366540 has 24 divisors (see below), whose sum is σ = 17826480. Its totient is φ = 1697728.

The previous prime is 6366523. The next prime is 6366557. The reversal of 6366540 is 456636.

It is an interprime number because it is at equal distance from previous prime (6366523) and next prime (6366557).

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 = 6366498 and 6366507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52995 + ... + 53114.

It is an arithmetic number, because the mean of its divisors is an integer number (742770).

Almost surely, 2^6366540 is an apocalyptic number.

6366540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6366540 is an abundant number, since it is smaller than the sum of its proper divisors (11459940).

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

6366540 is a wasteful number, since it uses less digits than its factorization.

6366540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106121 (or 106119 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6366540 is about 2523.2003487635. The cubic root of 6366540 is about 185.3394304132.

The spelling of 6366540 in words is "six million, three hundred sixty-six thousand, five hundred forty".