429795921 has 32 divisors (see below), whose sum is σ = 639653760. Its totient is φ = 255417344.

The previous prime is 429795913. The next prime is 429795929. The reversal of 429795921 is 129597924.

It is an interprime number because it is at equal distance from previous prime (429795913) and next prime (429795929).

It is a cyclic number.

It is not a de Polignac number, because 429795921 - 2³ = 429795913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (429795929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75646 + ... + 81128.

It is an arithmetic number, because the mean of its divisors is an integer number (19989180).

Almost surely, 2^429795921 is an apocalyptic number.

It is an amenable number.

429795921 is a deficient number, since it is larger than the sum of its proper divisors (209857839).

429795921 is a wasteful number, since it uses less digits than its factorization.

429795921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585.

The product of its digits is 408240, while the sum is 48.

The square root of 429795921 is about 20731.5199876902. The cubic root of 429795921 is about 754.6648050829.

The spelling of 429795921 in words is "four hundred twenty-nine million, seven hundred ninety-five thousand, nine hundred twenty-one".