421839050 has 12 divisors (see below), whose sum is σ = 784620726. Its totient is φ = 168735600.

The previous prime is 421839023. The next prime is 421839079. The reversal of 421839050 is 50938124.

It can be written as a sum of positive squares in 3 ways, for example, as 397563721 + 24275329 = 19939^2 + 4927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421838998 and 421839016.

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 5 ways as a sum of consecutive naturals, for example, 4218341 + ... + 4218440.

Almost surely, 2^421839050 is an apocalyptic number.

421839050 is a deficient number, since it is larger than the sum of its proper divisors (362781676).

421839050 is a wasteful number, since it uses less digits than its factorization.

421839050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436793 (or 8436788 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 421839050 is about 20538.7207488685. The cubic root of 421839050 is about 749.9786956911.

The spelling of 421839050 in words is "four hundred twenty-one million, eight hundred thirty-nine thousand, fifty".