6445602 has 16 divisors (see below), whose sum is σ = 14323680. Its totient is φ = 2148516.

The previous prime is 6445597. The next prime is 6445619. The reversal of 6445602 is 2065446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59628 + ... + 59735.

It is an arithmetic number, because the mean of its divisors is an integer number (895230).

Almost surely, 2^6445602 is an apocalyptic number.

6445602 is an abundant number, since it is smaller than the sum of its proper divisors (7878078).

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

6445602 is a wasteful number, since it uses less digits than its factorization.

6445602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119374 (or 119368 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 6445602 is about 2538.8190167871. The cubic root of 6445602 is about 186.1034803997.

The spelling of 6445602 in words is "six million, four hundred forty-five thousand, six hundred two".