328426415 has 4 divisors (see below), whose sum is σ = 394111704. Its totient is φ = 262741128.

The previous prime is 328426387. The next prime is 328426433. The reversal of 328426415 is 514624823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328426415 - 2⁸ = 328426159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32842637 + ... + 32842646.

It is an arithmetic number, because the mean of its divisors is an integer number (98527926).

Almost surely, 2^328426415 is an apocalyptic number.

328426415 is a deficient number, since it is larger than the sum of its proper divisors (65685289).

328426415 is an equidigital number, since it uses as much as digits as its factorization.

328426415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65685288.

The product of its digits is 46080, while the sum is 35.

The square root of 328426415 is about 18122.5388673883. The cubic root of 328426415 is about 689.9421746682.

The spelling of 328426415 in words is "three hundred twenty-eight million, four hundred twenty-six thousand, four hundred fifteen".