420796829 has 4 divisors (see below), whose sum is σ = 421132320. Its totient is φ = 420461340.

The previous prime is 420796823. The next prime is 420796841. The reversal of 420796829 is 928697024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420796829 - 2⁴ = 420796813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420796823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165857 + ... + 168374.

It is an arithmetic number, because the mean of its divisors is an integer number (105283080).

Almost surely, 2^420796829 is an apocalyptic number.

It is an amenable number.

420796829 is a deficient number, since it is larger than the sum of its proper divisors (335491).

420796829 is a wasteful number, since it uses less digits than its factorization.

420796829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335490.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 420796829 is about 20513.3329568844. The cubic root of 420796829 is about 749.3605387926.

The spelling of 420796829 in words is "four hundred twenty million, seven hundred ninety-six thousand, eight hundred twenty-nine".