321269676 has 216 divisors, whose sum is σ = 977843664. Its totient is φ = 81768960.

The previous prime is 321269671. The next prime is 321269693. The reversal of 321269676 is 676962123.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (321269671) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5266686 + ... + 5266746.

It is an arithmetic number, because the mean of its divisors is an integer number (4527054).

Almost surely, 2^321269676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321269676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488921832).

321269676 is an abundant number, since it is smaller than the sum of its proper divisors (656573988).

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

321269676 is a wasteful number, since it uses less digits than its factorization.

321269676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 139 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 321269676 is about 17923.9972104439. The cubic root of 321269676 is about 684.8938162794.

The spelling of 321269676 in words is "three hundred twenty-one million, two hundred sixty-nine thousand, six hundred seventy-six".