6602406 has 12 divisors (see below), whose sum is σ = 13217412. Its totient is φ = 2198704.

The previous prime is 6602399. The next prime is 6602413. The reversal of 6602406 is 6042066.

It is an interprime number because it is at equal distance from previous prime (6602399) and next prime (6602413).

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5770 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (1101451).

Almost surely, 2^6602406 is an apocalyptic number.

6602406 is an abundant number, since it is smaller than the sum of its proper divisors (6615006).

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

6602406 is an equidigital number, since it uses as much as digits as its factorization.

6602406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6602406 is about 2569.5147401796. The cubic root of 6602406 is about 187.6005363057.

Multiplying 6602406 by its sum of digits (24), we get a square (158457744 = 12588²).

The spelling of 6602406 in words is "six million, six hundred two thousand, four hundred six".