6448194 has 32 divisors (see below), whose sum is σ = 14667840. Its totient is φ = 2098656.

The previous prime is 6448157. The next prime is 6448207. The reversal of 6448194 is 4918446.

It is a happy number.

6448194 is a `hidden beast` number, since 644 + 8 + 1 + 9 + 4 = 666.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (458370).

Almost surely, 2^6448194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6448194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7333920).

6448194 is an abundant number, since it is smaller than the sum of its proper divisors (8219646).

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

6448194 is a wasteful number, since it uses less digits than its factorization.

6448194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2825 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6448194 is about 2539.3294390449. The cubic root of 6448194 is about 186.1284232767.

The spelling of 6448194 in words is "six million, four hundred forty-eight thousand, one hundred ninety-four".