326643442 has 8 divisors (see below), whose sum is σ = 490139100. Its totient is φ = 163263744.

The previous prime is 326643431. The next prime is 326643469. The reversal of 326643442 is 244346623.

It can be written as a sum of positive squares in 2 ways, for example, as 314033841 + 12609601 = 17721^2 + 3551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 326643398 and 326643407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21567 + ... + 33442.

Almost surely, 2^326643442 is an apocalyptic number.

326643442 is a deficient number, since it is larger than the sum of its proper divisors (163495658).

326643442 is a wasteful number, since it uses less digits than its factorization.

326643442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57980.

The product of its digits is 82944, while the sum is 34.

The square root of 326643442 is about 18073.2797798297. The cubic root of 326643442 is about 688.6913809420.

The spelling of 326643442 in words is "three hundred twenty-six million, six hundred forty-three thousand, four hundred forty-two".