6466980 has 48 divisors (see below), whose sum is σ = 19502784. Its totient is φ = 1591680.

The previous prime is 6466969. The next prime is 6466991. The reversal of 6466980 is 896646.

6466980 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6466969) and next prime (6466991).

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 3366 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (406308).

Almost surely, 2^6466980 is an apocalyptic number.

6466980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6466980 is an abundant number, since it is smaller than the sum of its proper divisors (13035804).

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

6466980 is a wasteful number, since it uses less digits than its factorization.

6466980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8314 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6466980 is about 2543.0257568495. The cubic root of 6466980 is about 186.3090019216.

It can be divided in two parts, 646 and 6980, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 6466980 in words is "six million, four hundred sixty-six thousand, nine hundred eighty".