421325446 has 8 divisors (see below), whose sum is σ = 632245464. Its totient is φ = 210576960.

The previous prime is 421325441. The next prime is 421325459. The reversal of 421325446 is 644523124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421325441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36555 + ... + 46678.

It is an arithmetic number, because the mean of its divisors is an integer number (79030683).

Almost surely, 2^421325446 is an apocalyptic number.

421325446 is a deficient number, since it is larger than the sum of its proper divisors (210920018).

421325446 is a wasteful number, since it uses less digits than its factorization.

421325446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85766.

The product of its digits is 23040, while the sum is 31.

The square root of 421325446 is about 20526.2136303801. The cubic root of 421325446 is about 749.6741968606.

The spelling of 421325446 in words is "four hundred twenty-one million, three hundred twenty-five thousand, four hundred forty-six".