429109956 has 36 divisors (see below), whose sum is σ = 1183304304. Its totient is φ = 130033200.

The previous prime is 429109949. The next prime is 429109981. The reversal of 429109956 is 659901924.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541410 + ... + 542201.

It is an arithmetic number, because the mean of its divisors is an integer number (32869564).

Almost surely, 2^429109956 is an apocalyptic number.

It is an amenable number.

429109956 is an abundant number, since it is smaller than the sum of its proper divisors (754194348).

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

429109956 is a wasteful number, since it uses less digits than its factorization.

429109956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083632 (or 1083627 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 429109956 is about 20714.9693699991. The cubic root of 429109956 is about 754.2631033536.

The spelling of 429109956 in words is "four hundred twenty-nine million, one hundred nine thousand, nine hundred fifty-six".