328451441 has 8 divisors (see below), whose sum is σ = 354334824. Its totient is φ = 303297280.

The previous prime is 328451437. The next prime is 328451443. The reversal of 328451441 is 144154823.

It can be written as a sum of positive squares in 4 ways, for example, as 42706225 + 285745216 = 6535^2 + 16904^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 328451441 - 2² = 328451437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328451398 and 328451407.

It is not an unprimeable number, because it can be changed into a prime (328451443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181370 + ... + 183171.

It is an arithmetic number, because the mean of its divisors is an integer number (44291853).

Almost surely, 2^328451441 is an apocalyptic number.

It is an amenable number.

328451441 is a deficient number, since it is larger than the sum of its proper divisors (25883383).

328451441 is a wasteful number, since it uses less digits than its factorization.

328451441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364611.

The product of its digits is 15360, while the sum is 32.

The square root of 328451441 is about 18123.2293204053. The cubic root of 328451441 is about 689.9596986893.

The spelling of 328451441 in words is "three hundred twenty-eight million, four hundred fifty-one thousand, four hundred forty-one".