429139406 has 16 divisors (see below), whose sum is σ = 658885344. Its totient is φ = 209568384.

The previous prime is 429139393. The next prime is 429139423. The reversal of 429139406 is 604931924.

It is a self number, because there is not a number n which added to its sum of digits gives 429139406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 29306.

It is an arithmetic number, because the mean of its divisors is an integer number (41180334).

Almost surely, 2^429139406 is an apocalyptic number.

429139406 is a deficient number, since it is larger than the sum of its proper divisors (229745938).

429139406 is a wasteful number, since it uses less digits than its factorization.

429139406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28715.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 429139406 is about 20715.6801964116. The cubic root of 429139406 is about 754.2803580921.

The spelling of 429139406 in words is "four hundred twenty-nine million, one hundred thirty-nine thousand, four hundred six".