421086332 has 12 divisors (see below), whose sum is σ = 737101680. Its totient is φ = 210485856.

The previous prime is 421086331. The next prime is 421086343. The reversal of 421086332 is 233680124.

It is a junction number, because it is equal to n+sod(n) for n = 421086295 and 421086304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421086331) 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 3 ways as a sum of consecutive naturals, for example, 5144 + ... + 29472.

It is an arithmetic number, because the mean of its divisors is an integer number (61425140).

Almost surely, 2^421086332 is an apocalyptic number.

It is an amenable number.

421086332 is a deficient number, since it is larger than the sum of its proper divisors (316015348).

421086332 is a wasteful number, since it uses less digits than its factorization.

421086332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28660 (or 28658 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 421086332 is about 20520.3882029556. The cubic root of 421086332 is about 749.5323496500.

The spelling of 421086332 in words is "four hundred twenty-one million, eighty-six thousand, three hundred thirty-two".