420876343 has 4 divisors (see below), whose sum is σ = 421132000. Its totient is φ = 420620688.

The previous prime is 420876341. The next prime is 420876347. The reversal of 420876343 is 343678024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420876343 - 2¹ = 420876341 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 (420876341) 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, 125343 + ... + 128656.

It is an arithmetic number, because the mean of its divisors is an integer number (105283000).

Almost surely, 2^420876343 is an apocalyptic number.

420876343 is a deficient number, since it is larger than the sum of its proper divisors (255657).

420876343 is a wasteful number, since it uses less digits than its factorization.

420876343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255656.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 420876343 is about 20515.2709706696. The cubic root of 420876343 is about 749.4077356797.

The spelling of 420876343 in words is "four hundred twenty million, eight hundred seventy-six thousand, three hundred forty-three".