429997834 has 32 divisors (see below), whose sum is σ = 784915200. Its totient is φ = 176265936.

The previous prime is 429997829. The next prime is 429997837. The reversal of 429997834 is 438799924.

It is not an unprimeable number, because it can be changed into a prime (429997837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2152 + ... + 29404.

It is an arithmetic number, because the mean of its divisors is an integer number (24528600).

Almost surely, 2^429997834 is an apocalyptic number.

429997834 is a deficient number, since it is larger than the sum of its proper divisors (354917366).

429997834 is a wasteful number, since it uses less digits than its factorization.

429997834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27299 (or 27285 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 429997834 is about 20736.3891263643. The cubic root of 429997834 is about 754.7829640912.

The spelling of 429997834 in words is "four hundred twenty-nine million, nine hundred ninety-seven thousand, eight hundred thirty-four".