328635503 has 8 divisors (see below), whose sum is σ = 383248800. Its totient is φ = 281687280.

The previous prime is 328635493. The next prime is 328635581. The reversal of 328635503 is 305536823.

It is not a de Polignac number, because 328635503 - 2¹⁰ = 328634479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328635103) 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, 478718 + ... + 479403.

It is an arithmetic number, because the mean of its divisors is an integer number (47906100).

Almost surely, 2^328635503 is an apocalyptic number.

328635503 is a deficient number, since it is larger than the sum of its proper divisors (54613297).

328635503 is an frugal number, since it uses more digits than its factorization.

328635503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958142 (or 958128 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 328635503 is about 18128.3066776795. The cubic root of 328635503 is about 690.0885575618.

The spelling of 328635503 in words is "three hundred twenty-eight million, six hundred thirty-five thousand, five hundred three".