420923269 has 8 divisors (see below), whose sum is σ = 453471480. Its totient is φ = 388399296.

The previous prime is 420923233. The next prime is 420923273. The reversal of 420923269 is 962329024.

It can be written as a sum of positive squares in 4 ways, for example, as 69923044 + 351000225 = 8362^2 + 18735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420923269 - 2⁷ = 420923141 is a prime.

It is a super-2 number, since 2×420923269² = 354352796771292722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420923219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47799 + ... + 55915.

It is an arithmetic number, because the mean of its divisors is an integer number (56683935).

Almost surely, 2^420923269 is an apocalyptic number.

It is an amenable number.

420923269 is a deficient number, since it is larger than the sum of its proper divisors (32548211).

420923269 is a wasteful number, since it uses less digits than its factorization.

420923269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 420923269 is about 20516.4146234180. The cubic root of 420923269 is about 749.4355866159.

The spelling of 420923269 in words is "four hundred twenty million, nine hundred twenty-three thousand, two hundred sixty-nine".