421421032 has 16 divisors (see below), whose sum is σ = 797415300. Its totient is φ = 208776960.

The previous prime is 421421029. The next prime is 421421047. The reversal of 421421032 is 230124124.

It can be written as a sum of positive squares in 2 ways, for example, as 334670436 + 86750596 = 18294^2 + 9314^2 .

It is an unprimeable number.

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, 240769 + ... + 242512.

Almost surely, 2^421421032 is an apocalyptic number.

It is an amenable number.

421421032 is a deficient number, since it is larger than the sum of its proper divisors (375994268).

421421032 is a wasteful number, since it uses less digits than its factorization.

421421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483396 (or 483392 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 421421032 is about 20528.5418868462. The cubic root of 421421032 is about 749.7308853739.

Adding to 421421032 its reverse (230124124), we get a palindrome (651545156).

The spelling of 421421032 in words is "four hundred twenty-one million, four hundred twenty-one thousand, thirty-two".