449852389 has 8 divisors (see below), whose sum is σ = 524609600. Its totient is φ = 385587468.

The previous prime is 449852383. The next prime is 449852399. The reversal of 449852389 is 983258944.

It is not a de Polignac number, because 449852389 - 2⁵ = 449852357 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 (449852383) 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, 655419 + ... + 656104.

It is an arithmetic number, because the mean of its divisors is an integer number (65576200).

Almost surely, 2^449852389 is an apocalyptic number.

449852389 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

449852389 is a deficient number, since it is larger than the sum of its proper divisors (74757211).

449852389 is an equidigital number, since it uses as much as digits as its factorization.

449852389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311544 (or 1311530 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 449852389 is about 21209.7239255960. The cubic root of 449852389 is about 766.2256338216.

It can be divided in two parts, 449852 and 389, that added together give a square (450241 = 671²).

The spelling of 449852389 in words is "four hundred forty-nine million, eight hundred fifty-two thousand, three hundred eighty-nine".