429902646 has 8 divisors (see below), whose sum is σ = 859805304. Its totient is φ = 143300880.

The previous prime is 429902639. The next prime is 429902651. The reversal of 429902646 is 646209924.

It is a sphenic number, since it is the product of 3 distinct primes.

429902646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 429902598 and 429902607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35825215 + ... + 35825226.

It is an arithmetic number, because the mean of its divisors is an integer number (107475663).

Almost surely, 2^429902646 is an apocalyptic number.

429902646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

429902646 is a wasteful number, since it uses less digits than its factorization.

429902646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71650446.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 429902646 is about 20734.0938070609. The cubic root of 429902646 is about 754.7272649092.

The spelling of 429902646 in words is "four hundred twenty-nine million, nine hundred two thousand, six hundred forty-six".