429632428 has 12 divisors (see below), whose sum is σ = 755085240. Its totient is φ = 213893792.

The previous prime is 429632407. The next prime is 429632453. The reversal of 429632428 is 824236924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229558 + ... + 231421.

It is an arithmetic number, because the mean of its divisors is an integer number (62923770).

Almost surely, 2^429632428 is an apocalyptic number.

It is an amenable number.

429632428 is a deficient number, since it is larger than the sum of its proper divisors (325452812).

429632428 is a wasteful number, since it uses less digits than its factorization.

429632428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461216 (or 461214 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 429632428 is about 20727.5765105330. The cubic root of 429632428 is about 754.5691022505.

The spelling of 429632428 in words is "four hundred twenty-nine million, six hundred thirty-two thousand, four hundred twenty-eight".