1429889232 has 120 divisors (see below), whose sum is σ = 3928811040. Its totient is φ = 448047360.

The previous prime is 1429889207. The next prime is 1429889233. The reversal of 1429889232 is 2329889241.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429889233) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3101482 + ... + 3101942.

It is an arithmetic number, because the mean of its divisors is an integer number (32740092).

Almost surely, 2^1429889232 is an apocalyptic number.

1429889232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429889232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964405520).

1429889232 is an abundant number, since it is smaller than the sum of its proper divisors (2498921808).

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

1429889232 is a wasteful number, since it uses less digits than its factorization.

1429889232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 664 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 1429889232 is about 37813.8761832214. The cubic root of 1429889232 is about 1126.5940811206.

Subtracting 1429889232 from its reverse (2329889241), we obtain a palindrome (900000009).

The spelling of 1429889232 in words is "one billion, four hundred twenty-nine million, eight hundred eighty-nine thousand, two hundred thirty-two".