6440982 has 16 divisors (see below), whose sum is σ = 12976320. Its totient is φ = 2131272.

The previous prime is 6440969. The next prime is 6440983. The reversal of 6440982 is 2890446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6440983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (811020).

Almost surely, 2^6440982 is an apocalyptic number.

6440982 is an abundant number, since it is smaller than the sum of its proper divisors (6535338).

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

6440982 is a wasteful number, since it uses less digits than its factorization.

6440982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6440982 is about 2537.9089818195. The cubic root of 6440982 is about 186.0590054442.

The spelling of 6440982 in words is "six million, four hundred forty thousand, nine hundred eighty-two".