421675850 has 12 divisors (see below), whose sum is σ = 784317174. Its totient is φ = 168670320.

The previous prime is 421675847. The next prime is 421675867. The reversal of 421675850 is 58576124.

It can be written as a sum of positive squares in 3 ways, for example, as 268337161 + 153338689 = 16381^2 + 12383^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 4216709 + ... + 4216808.

Almost surely, 2^421675850 is an apocalyptic number.

421675850 is a deficient number, since it is larger than the sum of its proper divisors (362641324).

421675850 is a wasteful number, since it uses less digits than its factorization.

421675850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433529 (or 8433524 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 421675850 is about 20534.7473809638. The cubic root of 421675850 is about 749.8819666103.

The spelling of 421675850 in words is "four hundred twenty-one million, six hundred seventy-five thousand, eight hundred fifty".