6449398 has 16 divisors (see below), whose sum is σ = 10422720. Its totient is φ = 2983176.

The previous prime is 6449363. The next prime is 6449413. The reversal of 6449398 is 8939446.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

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, 340 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (651420).

Almost surely, 2^6449398 is an apocalyptic number.

6449398 is a deficient number, since it is larger than the sum of its proper divisors (3973322).

6449398 is a wasteful number, since it uses less digits than its factorization.

6449398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011.

The product of its digits is 186624, while the sum is 43.

The square root of 6449398 is about 2539.5664984402. The cubic root of 6449398 is about 186.1400071236.

The spelling of 6449398 in words is "six million, four hundred forty-nine thousand, three hundred ninety-eight".