429863949 has 24 divisors (see below), whose sum is σ = 658080960. Its totient is φ = 277314840.

The previous prime is 429863909. The next prime is 429863953. The reversal of 429863949 is 949368924.

It is not a de Polignac number, because 429863949 - 2⁷ = 429863821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 429863895 and 429863904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429863909) 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, 17664 + ... + 34230.

It is an arithmetic number, because the mean of its divisors is an integer number (27420040).

Almost surely, 2^429863949 is an apocalyptic number.

It is an amenable number.

429863949 is a deficient number, since it is larger than the sum of its proper divisors (228217011).

429863949 is a wasteful number, since it uses less digits than its factorization.

429863949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638 (or 16601 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 429863949 is about 20733.1606128926. The cubic root of 429863949 is about 754.7046190399.

The spelling of 429863949 in words is "four hundred twenty-nine million, eight hundred sixty-three thousand, nine hundred forty-nine".