421313464 has 64 divisors (see below), whose sum is σ = 932329440. Its totient is φ = 175964160.

The previous prime is 421313419. The next prime is 421313489. The reversal of 421313464 is 464313124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293292 + ... + 294724.

Almost surely, 2^421313464 is an apocalyptic number.

421313464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421313464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466164720).

421313464 is an abundant number, since it is smaller than the sum of its proper divisors (511015976).

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

421313464 is a wasteful number, since it uses less digits than its factorization.

421313464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1716 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 421313464 is about 20525.9217576215. The cubic root of 421313464 is about 749.6670901759.

Adding to 421313464 its reverse (464313124), we get a palindrome (885626588).

The spelling of 421313464 in words is "four hundred twenty-one million, three hundred thirteen thousand, four hundred sixty-four".