421796834 has 4 divisors (see below), whose sum is σ = 632695254. Its totient is φ = 210898416.

The previous prime is 421796797. The next prime is 421796867. The reversal of 421796834 is 438697124.

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

It can be written as a sum of positive squares in only one way, i.e., 301126609 + 120670225 = 17353^2 + 10985^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105449207 + ... + 105449210.

Almost surely, 2^421796834 is an apocalyptic number.

421796834 is a deficient number, since it is larger than the sum of its proper divisors (210898420).

421796834 is a wasteful number, since it uses less digits than its factorization.

421796834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210898419.

The product of its digits is 290304, while the sum is 44.

The square root of 421796834 is about 20537.6930057882. The cubic root of 421796834 is about 749.9536765463.

The spelling of 421796834 in words is "four hundred twenty-one million, seven hundred ninety-six thousand, eight hundred thirty-four".