6446149 has 8 divisors (see below), whose sum is σ = 7020000. Its totient is φ = 5895792.

The previous prime is 6446147. The next prime is 6446159. The reversal of 6446149 is 9416446.

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

It is a cyclic number.

It is not a de Polignac number, because 6446149 - 2¹ = 6446147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5299 + ... + 6400.

It is an arithmetic number, because the mean of its divisors is an integer number (877500).

Almost surely, 2^6446149 is an apocalyptic number.

It is an amenable number.

6446149 is a deficient number, since it is larger than the sum of its proper divisors (573851).

6446149 is a wasteful number, since it uses less digits than its factorization.

6446149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747.

The product of its digits is 20736, while the sum is 34.

The square root of 6446149 is about 2538.9267417553. The cubic root of 6446149 is about 186.1087447502.

The spelling of 6446149 in words is "six million, four hundred forty-six thousand, one hundred forty-nine".