429399926 has 16 divisors (see below), whose sum is σ = 695282400. Its totient is φ = 198283008.

The previous prime is 429399907. The next prime is 429399931. The reversal of 429399926 is 629993924.

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, 159611 + ... + 162278.

It is an arithmetic number, because the mean of its divisors is an integer number (43455150).

Almost surely, 2^429399926 is an apocalyptic number.

429399926 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

429399926 is a deficient number, since it is larger than the sum of its proper divisors (265882474).

429399926 is a wasteful number, since it uses less digits than its factorization.

429399926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321943.

The product of its digits is 1889568, while the sum is 53.

The square root of 429399926 is about 20721.9672328667. The cubic root of 429399926 is about 754.4329622460.

The spelling of 429399926 in words is "four hundred twenty-nine million, three hundred ninety-nine thousand, nine hundred twenty-six".