449428733 has 8 divisors (see below), whose sum is σ = 495256608. Its totient is φ = 405208944.

The previous prime is 449428687. The next prime is 449428739. The reversal of 449428733 is 337824944.

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 449428733 - 2²⁰ = 448380157 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 (449428739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401435 + ... + 402552.

It is an arithmetic number, because the mean of its divisors is an integer number (61907076).

Almost surely, 2^449428733 is an apocalyptic number.

449428733 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

449428733 is a deficient number, since it is larger than the sum of its proper divisors (45827875).

449428733 is a wasteful number, since it uses less digits than its factorization.

449428733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804043.

The product of its digits is 580608, while the sum is 44.

The square root of 449428733 is about 21199.7342672025. The cubic root of 449428733 is about 765.9850230104.

The spelling of 449428733 in words is "four hundred forty-nine million, four hundred twenty-eight thousand, seven hundred thirty-three".