420336629 has 4 divisors (see below), whose sum is σ = 421312320. Its totient is φ = 419360940.

The previous prime is 420336619. The next prime is 420336659. The reversal of 420336629 is 926633024.

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 420336629 - 2²⁰ = 419288053 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 (420336619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487199 + ... + 488060.

It is an arithmetic number, because the mean of its divisors is an integer number (105328080).

Almost surely, 2^420336629 is an apocalyptic number.

It is an amenable number.

420336629 is a deficient number, since it is larger than the sum of its proper divisors (975691).

420336629 is an equidigital number, since it uses as much as digits as its factorization.

420336629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975690.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 420336629 is about 20502.1127935635. The cubic root of 420336629 is about 749.0872624048.

The spelling of 420336629 in words is "four hundred twenty million, three hundred thirty-six thousand, six hundred twenty-nine".