1449643 has 8 divisors (see below), whose sum is σ = 1643600. Its totient is φ = 1267488.

The previous prime is 1449619. The next prime is 1449647. The reversal of 1449643 is 3469441.

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 1449643 - 2⁵ = 1449611 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁸ + 4⁹ + 9⁴ + 6⁵ + 4¹⁰ + 3¹⁰ .

It is a Duffinian number.

1449643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1449647) 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, 2688 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (205450).

2^1449643 is an apocalyptic number.

1449643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1449643 is a deficient number, since it is larger than the sum of its proper divisors (193957).

1449643 is a wasteful number, since it uses less digits than its factorization.

1449643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901.

The product of its digits is 10368, while the sum is 31.

The square root of 1449643 is about 1204.0112125724. The cubic root of 1449643 is about 113.1758298482.

The spelling of 1449643 in words is "one million, four hundred forty-nine thousand, six hundred forty-three".