429431740 has 24 divisors (see below), whose sum is σ = 906852240. Its totient is φ = 170811648.

The previous prime is 429431701. The next prime is 429431741. The reversal of 429431740 is 47134924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 429431696 and 429431705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429431741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56397 + ... + 63556.

It is an arithmetic number, because the mean of its divisors is an integer number (37785510).

Almost surely, 2^429431740 is an apocalyptic number.

It is an amenable number.

429431740 is an abundant number, since it is smaller than the sum of its proper divisors (477420500).

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

429431740 is a wasteful number, since it uses less digits than its factorization.

429431740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120141 (or 120139 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 429431740 is about 20722.7348581214. The cubic root of 429431740 is about 754.4515936244.

The spelling of 429431740 in words is "four hundred twenty-nine million, four hundred thirty-one thousand, seven hundred forty".