421044324 has 12 divisors (see below), whose sum is σ = 982436784. Its totient is φ = 140348104.

The previous prime is 421044319. The next prime is 421044383. The reversal of 421044324 is 423440124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 421044294 and 421044303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17543502 + ... + 17543525.

It is an arithmetic number, because the mean of its divisors is an integer number (81869732).

Almost surely, 2^421044324 is an apocalyptic number.

It is an amenable number.

421044324 is an abundant number, since it is smaller than the sum of its proper divisors (561392460).

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

421044324 is a wasteful number, since it uses less digits than its factorization.

421044324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35087034 (or 35087032 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 421044324 is about 20519.3646100458. The cubic root of 421044324 is about 749.5074241184.

Adding to 421044324 its reverse (423440124), we get a palindrome (844484448).

The spelling of 421044324 in words is "four hundred twenty-one million, forty-four thousand, three hundred twenty-four".