429485820 has 24 divisors (see below), whose sum is σ = 1202560464. Its totient is φ = 114529536.

The previous prime is 429485809. The next prime is 429485857. The reversal of 429485820 is 28584924.

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, 3578989 + ... + 3579108.

It is an arithmetic number, because the mean of its divisors is an integer number (50106686).

Almost surely, 2^429485820 is an apocalyptic number.

It is an amenable number.

429485820 is an abundant number, since it is smaller than the sum of its proper divisors (773074644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429485820 is a wasteful number, since it uses less digits than its factorization.

429485820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158109 (or 7158107 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 429485820 is about 20724.0396641195. The cubic root of 429485820 is about 754.4832626308.

The spelling of 429485820 in words is "four hundred twenty-nine million, four hundred eighty-five thousand, eight hundred twenty".