429172950 has 48 divisors (see below), whose sum is σ = 1120374720. Its totient is φ = 108421920.

The previous prime is 429172927. The next prime is 429172957. The reversal of 429172950 is 59271924.

It is a junction number, because it is equal to n+sod(n) for n = 429172899 and 429172908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429172957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72444 + ... + 78143.

It is an arithmetic number, because the mean of its divisors is an integer number (23341140).

Almost surely, 2^429172950 is an apocalyptic number.

429172950 is an abundant number, since it is smaller than the sum of its proper divisors (691201770).

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

429172950 is a wasteful number, since it uses less digits than its factorization.

429172950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150621 (or 150616 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 429172950 is about 20716.4898088455. The cubic root of 429172950 is about 754.3000105413.

The spelling of 429172950 in words is "four hundred twenty-nine million, one hundred seventy-two thousand, nine hundred fifty".