326670336 has 144 divisors (see below), whose sum is σ = 971006400. Its totient is φ = 105725952.

The previous prime is 326670313. The next prime is 326670389. The reversal of 326670336 is 633076623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 326670336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681745 + ... + 682223.

It is an arithmetic number, because the mean of its divisors is an integer number (6743100).

Almost surely, 2^326670336 is an apocalyptic number.

326670336 is a gapful number since it is divisible by the number (36) 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 326670336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485503200).

326670336 is an abundant number, since it is smaller than the sum of its proper divisors (644336064).

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

326670336 is a wasteful number, since it uses less digits than its factorization.

326670336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The square root of 326670336 is about 18074.0237910655. The cubic root of 326670336 is about 688.7102814262.

It can be divided in two parts, 3 and 26670336, that multiplied together give a palindrome (80011008).

The spelling of 326670336 in words is "three hundred twenty-six million, six hundred seventy thousand, three hundred thirty-six".