6445498 has 8 divisors (see below), whose sum is σ = 9681120. Its totient is φ = 3218460.

The previous prime is 6445493. The next prime is 6445501. The reversal of 6445498 is 8945446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6445498.

It is not an unprimeable number, because it can be changed into a prime (6445493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (1210140).

Almost surely, 2^6445498 is an apocalyptic number.

6445498 is a deficient number, since it is larger than the sum of its proper divisors (3235622).

6445498 is a wasteful number, since it uses less digits than its factorization.

6445498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292.

The product of its digits is 138240, while the sum is 40.

The square root of 6445498 is about 2538.7985347404. The cubic root of 6445498 is about 186.1024794657.

The spelling of 6445498 in words is "six million, four hundred forty-five thousand, four hundred ninety-eight".