419826421 has 8 divisors (see below), whose sum is σ = 482483520. Its totient is φ = 357839808.

The previous prime is 419826403. The next prime is 419826427. The reversal of 419826421 is 124628914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 419826421 - 2¹¹ = 419824373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419826427) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 166276 + ... + 168781.

It is an arithmetic number, because the mean of its divisors is an integer number (60310440).

Almost surely, 2^419826421 is an apocalyptic number.

It is an amenable number.

419826421 is a deficient number, since it is larger than the sum of its proper divisors (62657099).

419826421 is a wasteful number, since it uses less digits than its factorization.

419826421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335243.

The product of its digits is 27648, while the sum is 37.

The square root of 419826421 is about 20489.6662003069. Note that the first 3 decimals coincide. The cubic root of 419826421 is about 748.7840569680.

The spelling of 419826421 in words is "four hundred nineteen million, eight hundred twenty-six thousand, four hundred twenty-one".