420676934 has 16 divisors (see below), whose sum is σ = 668698416. Its totient is φ = 197798400.

The previous prime is 420676909. The next prime is 420676957. The reversal of 420676934 is 439676024.

It is a junction number, because it is equal to n+sod(n) for n = 420676891 and 420676900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41729 + ... + 50819.

It is an arithmetic number, because the mean of its divisors is an integer number (41793651).

Almost surely, 2^420676934 is an apocalyptic number.

420676934 is a deficient number, since it is larger than the sum of its proper divisors (248021482).

420676934 is a wasteful number, since it uses less digits than its factorization.

420676934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 420676934 is about 20510.4103810723. The cubic root of 420676934 is about 749.2893618335.

The spelling of 420676934 in words is "four hundred twenty million, six hundred seventy-six thousand, nine hundred thirty-four".