429401986 has 16 divisors (see below), whose sum is σ = 699116544. Its totient is φ = 196623504.

The previous prime is 429401873. The next prime is 429402013. The reversal of 429401986 is 689104924.

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, 61720 + ... + 68323.

It is an arithmetic number, because the mean of its divisors is an integer number (43694784).

Almost surely, 2^429401986 is an apocalyptic number.

429401986 is a deficient number, since it is larger than the sum of its proper divisors (269714558).

429401986 is a wasteful number, since it uses less digits than its factorization.

429401986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130185.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 429401986 is about 20722.0169385125. The cubic root of 429401986 is about 754.4341686811.

The spelling of 429401986 in words is "four hundred twenty-nine million, four hundred one thousand, nine hundred eighty-six".