321364260 has 240 divisors, whose sum is σ = 1220655744. Its totient is φ = 69092352.

The previous prime is 321364187. The next prime is 321364261. The reversal of 321364260 is 62463123.

321364260 is a `hidden beast` number, since 3 + 2 + 13 + 642 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (321364261) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 191947 + ... + 193613.

Almost surely, 2^321364260 is an apocalyptic number.

321364260 is a gapful number since it is divisible by the number (30) 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 321364260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610327872).

321364260 is an abundant number, since it is smaller than the sum of its proper divisors (899291484).

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

321364260 is a wasteful number, since it uses less digits than its factorization.

321364260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 321364260 is about 17926.6354902419. The cubic root of 321364260 is about 684.9610221663.

The spelling of 321364260 in words is "three hundred twenty-one million, three hundred sixty-four thousand, two hundred sixty".