6394480 has 40 divisors (see below), whose sum is σ = 15101712. Its totient is φ = 2517504.

The previous prime is 6394477. The next prime is 6394481. The reversal of 6394480 is 844936.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 6² + 3¹³ + 9⁷ + 4⁴ + 4⁷ + 8³ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394481) 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, 4764 + ... + 5956.

Almost surely, 2^6394480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6394480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7550856).

6394480 is an abundant number, since it is smaller than the sum of its proper divisors (8707232).

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

6394480 is a wasteful number, since it uses less digits than its factorization.

6394480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6394480 is about 2528.7309069966. The cubic root of 6394480 is about 185.6101597193.

The spelling of 6394480 in words is "six million, three hundred ninety-four thousand, four hundred eighty".