328145488 has 20 divisors (see below), whose sum is σ = 693580608. Its totient is φ = 149156960.

The previous prime is 328145479. The next prime is 328145491. The reversal of 328145488 is 884541823.

It is a happy number.

It is a super-2 number, since 2×328145488² = 215358922589516288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932056 + ... + 932407.

Almost surely, 2^328145488 is an apocalyptic number.

It is an amenable number.

328145488 is an abundant number, since it is smaller than the sum of its proper divisors (365435120).

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

328145488 is a wasteful number, since it uses less digits than its factorization.

328145488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864482 (or 1864476 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 328145488 is about 18114.7864464365. The cubic root of 328145488 is about 689.7453993111.

The spelling of 328145488 in words is "three hundred twenty-eight million, one hundred forty-five thousand, four hundred eighty-eight".