421859936 has 12 divisors (see below), whose sum is σ = 830536812. Its totient is φ = 210929952.

The previous prime is 421859929. The next prime is 421859953. The reversal of 421859936 is 639958124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6591530 + ... + 6591593.

It is an arithmetic number, because the mean of its divisors is an integer number (69211401).

Almost surely, 2^421859936 is an apocalyptic number.

It is an amenable number.

421859936 is a deficient number, since it is larger than the sum of its proper divisors (408676876).

421859936 is a wasteful number, since it uses less digits than its factorization.

421859936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183133 (or 13183125 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 421859936 is about 20539.2291968321. The cubic root of 421859936 is about 749.9910730789.

The spelling of 421859936 in words is "four hundred twenty-one million, eight hundred fifty-nine thousand, nine hundred thirty-six".