321464436 has 48 divisors (see below), whose sum is σ = 789190080. Its totient is φ = 101710080.

The previous prime is 321464419. The next prime is 321464447. The reversal of 321464436 is 634464123.

It is a super-2 number, since 2×321464436² = 206678767225596192, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 321464397 and 321464406.

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, 9375 + ... + 27033.

It is an arithmetic number, because the mean of its divisors is an integer number (16441460).

Almost surely, 2^321464436 is an apocalyptic number.

It is an amenable number.

321464436 is an abundant number, since it is smaller than the sum of its proper divisors (467725644).

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

321464436 is a wasteful number, since it uses less digits than its factorization.

321464436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17744 (or 17742 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 321464436 is about 17929.4293272262. The cubic root of 321464436 is about 685.0321870254.

The spelling of 321464436 in words is "three hundred twenty-one million, four hundred sixty-four thousand, four hundred thirty-six".