429828672 has 224 divisors, whose sum is σ = 1423082752. Its totient is φ = 111476736.

The previous prime is 429828653. The next prime is 429828673. The reversal of 429828672 is 276828924.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is not an unprimeable number, because it can be changed into a prime (429828673) 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 31 ways as a sum of consecutive naturals, for example, 1275288 + ... + 1275624.

It is an arithmetic number, because the mean of its divisors is an integer number (6353048).

Almost surely, 2^429828672 is an apocalyptic number.

429828672 is a gapful number since it is divisible by the number (42) 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 429828672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711541376).

429828672 is an abundant number, since it is smaller than the sum of its proper divisors (993254080).

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

429828672 is a wasteful number, since it uses less digits than its factorization.

429828672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 435 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 429828672 is about 20732.3098568394. The cubic root of 429828672 is about 754.6839734045.

The spelling of 429828672 in words is "four hundred twenty-nine million, eight hundred twenty-eight thousand, six hundred seventy-two".