429449448 has 64 divisors (see below), whose sum is σ = 1111910400. Its totient is φ = 138075840.

The previous prime is 429449411. The next prime is 429449453. The reversal of 429449448 is 844944924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 429449397 and 429449406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281215 + ... + 282737.

It is an arithmetic number, because the mean of its divisors is an integer number (17373600).

Almost surely, 2^429449448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429449448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555955200).

429449448 is an abundant number, since it is smaller than the sum of its proper divisors (682460952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429449448 is a wasteful number, since it uses less digits than its factorization.

429449448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1938 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 429449448 is about 20723.1621139246. The cubic root of 429449448 is about 754.4619636428.

The spelling of 429449448 in words is "four hundred twenty-nine million, four hundred forty-nine thousand, four hundred forty-eight".