429639748 has 18 divisors (see below), whose sum is σ = 762797994. Its totient is φ = 211702464.

The previous prime is 429639713. The next prime is 429639751. The reversal of 429639748 is 847936924.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10291264 + 419348484 = 3208^2 + 20478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 429639695 and 429639704.

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 5 ways as a sum of consecutive naturals, for example, 353590 + ... + 354802.

Almost surely, 2^429639748 is an apocalyptic number.

It is an amenable number.

429639748 is a deficient number, since it is larger than the sum of its proper divisors (333158246).

429639748 is an equidigital number, since it uses as much as digits as its factorization.

429639748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 1288 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 429639748 is about 20727.7530861403. The cubic root of 429639748 is about 754.5733876303.

It can be divided in two parts, 4296 and 39748, that added together give a palindrome (44044).

The spelling of 429639748 in words is "four hundred twenty-nine million, six hundred thirty-nine thousand, seven hundred forty-eight".