6404706 has 48 divisors (see below), whose sum is σ = 17304768. Its totient is φ = 1663200.

The previous prime is 6404701. The next prime is 6404711. The reversal of 6404706 is 6074046.

It is an interprime number because it is at equal distance from previous prime (6404701) and next prime (6404711).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6404706.

It is not an unprimeable number, because it can be changed into a prime (6404701) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 925 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (360516).

Almost surely, 2^6404706 is an apocalyptic number.

6404706 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6404706 is an abundant number, since it is smaller than the sum of its proper divisors (10900062).

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

6404706 is a wasteful number, since it uses less digits than its factorization.

6404706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6404706 is about 2530.7520621349. The cubic root of 6404706 is about 185.7090491057.

The spelling of 6404706 in words is "six million, four hundred four thousand, seven hundred six".