419421 has 8 divisors (see below), whose sum is σ = 562464. Its totient is φ = 278000.

The previous prime is 419417. The next prime is 419423. The reversal of 419421 is 124914.

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 419421 - 2² = 419417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 475 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (70308).

2⁴¹⁹⁴²¹ is an apocalyptic number.

It is an amenable number.

419421 is a deficient number, since it is larger than the sum of its proper divisors (143043).

419421 is a wasteful number, since it uses less digits than its factorization.

419421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 288, while the sum is 21.

The square root of 419421 is about 647.6272075816. The cubic root of 419421 is about 74.8542948947.

The spelling of 419421 in words is "four hundred nineteen thousand, four hundred twenty-one".