429393841 has 4 divisors (see below), whose sum is σ = 429435684. Its totient is φ = 429352000.

The previous prime is 429393793. The next prime is 429393857. The reversal of 429393841 is 148393924.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 146313216 + 283080625 = 12096^2 + 16825^2 .

It is a cyclic number.

It is not a de Polignac number, because 429393841 - 2⁹ = 429393329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429393641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6141 + ... + 29941.

It is an arithmetic number, because the mean of its divisors is an integer number (107358921).

Almost surely, 2^429393841 is an apocalyptic number.

It is an amenable number.

429393841 is a deficient number, since it is larger than the sum of its proper divisors (41843).

429393841 is a wasteful number, since it uses less digits than its factorization.

429393841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41842.

The product of its digits is 186624, while the sum is 43.

The square root of 429393841 is about 20721.8204074835. The cubic root of 429393841 is about 754.4293985547.

The spelling of 429393841 in words is "four hundred twenty-nine million, three hundred ninety-three thousand, eight hundred forty-one".