429949238 has 4 divisors (see below), whose sum is σ = 644923860. Its totient is φ = 214974618.

The previous prime is 429949207. The next prime is 429949241. The reversal of 429949238 is 832949924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107487308 + ... + 107487311.

It is an arithmetic number, because the mean of its divisors is an integer number (161230965).

Almost surely, 2^429949238 is an apocalyptic number.

429949238 is a deficient number, since it is larger than the sum of its proper divisors (214974622).

429949238 is a wasteful number, since it uses less digits than its factorization.

429949238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214974621.

The product of its digits is 1119744, while the sum is 50.

The square root of 429949238 is about 20735.2173366956. The cubic root of 429949238 is about 754.7545292079.

The spelling of 429949238 in words is "four hundred twenty-nine million, nine hundred forty-nine thousand, two hundred thirty-eight".