1606449 has 16 divisors (see below), whose sum is σ = 2443392. Its totient is φ = 930048.

The previous prime is 1606439. The next prime is 1606457. The reversal of 1606449 is 9446061.

It is not a de Polignac number, because 1606449 - 2⁴ = 1606433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1606439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (152712).

2^1606449 is an apocalyptic number.

It is an amenable number.

1606449 is a deficient number, since it is larger than the sum of its proper divisors (836943).

1606449 is a wasteful number, since it uses less digits than its factorization.

1606449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1606449 is about 1267.4576916016. The cubic root of 1606449 is about 117.1176404604.

The spelling of 1606449 in words is "one million, six hundred six thousand, four hundred forty-nine".