429126638 has 16 divisors (see below), whose sum is σ = 662135040. Its totient is φ = 208481016.

The previous prime is 429126613. The next prime is 429126641. The reversal of 429126638 is 836621924.

It is a junction number, because it is equal to n+sod(n) for n = 429126595 and 429126604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3356 + ... + 29487.

It is an arithmetic number, because the mean of its divisors is an integer number (41383440).

Almost surely, 2^429126638 is an apocalyptic number.

429126638 is a deficient number, since it is larger than the sum of its proper divisors (233008402).

429126638 is a wasteful number, since it uses less digits than its factorization.

429126638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33031.

The product of its digits is 124416, while the sum is 41.

The square root of 429126638 is about 20715.3720217620. The cubic root of 429126638 is about 754.2728774250.

The spelling of 429126638 in words is "four hundred twenty-nine million, one hundred twenty-six thousand, six hundred thirty-eight".