6493980 has 24 divisors (see below), whose sum is σ = 18183312. Its totient is φ = 1731712.

The previous prime is 6493969. The next prime is 6494021. The reversal of 6493980 is 893946.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54057 + ... + 54176.

It is an arithmetic number, because the mean of its divisors is an integer number (757638).

Almost surely, 2^6493980 is an apocalyptic number.

6493980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6493980 is an abundant number, since it is smaller than the sum of its proper divisors (11689332).

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

6493980 is a wasteful number, since it uses less digits than its factorization.

6493980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108245 (or 108243 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6493980 is about 2548.3288641775. The cubic root of 6493980 is about 186.5679253856.

The spelling of 6493980 in words is "six million, four hundred ninety-three thousand, nine hundred eighty".