421359438 has 8 divisors (see below), whose sum is σ = 842718888. Its totient is φ = 140453144.

The previous prime is 421359437. The next prime is 421359439. The reversal of 421359438 is 834953124.

It is an interprime number because it is at equal distance from previous prime (421359437) and next prime (421359439).

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

421359438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 421359396 and 421359405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421359437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35113281 + ... + 35113292.

It is an arithmetic number, because the mean of its divisors is an integer number (105339861).

Almost surely, 2^421359438 is an apocalyptic number.

421359438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421359438 is a wasteful number, since it uses less digits than its factorization.

421359438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70226578.

The product of its digits is 103680, while the sum is 39.

The square root of 421359438 is about 20527.0416280574. The cubic root of 421359438 is about 749.6943572380.

The spelling of 421359438 in words is "four hundred twenty-one million, three hundred fifty-nine thousand, four hundred thirty-eight".