6402606 has 16 divisors (see below), whose sum is σ = 14634624. Its totient is φ = 1829304.

The previous prime is 6402593. The next prime is 6402619. The reversal of 6402606 is 6062046.

It is an interprime number because it is at equal distance from previous prime (6402593) and next prime (6402619).

It is an Ulam number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 76180 + ... + 76263.

It is an arithmetic number, because the mean of its divisors is an integer number (914664).

Almost surely, 2^6402606 is an apocalyptic number.

6402606 is an abundant number, since it is smaller than the sum of its proper divisors (8232018).

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

6402606 is a wasteful number, since it uses less digits than its factorization.

6402606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152455.

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

The square root of 6402606 is about 2530.3371316882. The cubic root of 6402606 is about 185.6887498843.

The spelling of 6402606 in words is "six million, four hundred two thousand, six hundred six".