328741555 has 8 divisors (see below), whose sum is σ = 396694800. Its totient is φ = 261523296.

The previous prime is 328741513. The next prime is 328741601. The reversal of 328741555 is 555147823.

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

It is a de Polignac number, because none of the positive numbers 2^k-328741555 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182760 + ... + 184549.

It is an arithmetic number, because the mean of its divisors is an integer number (49586850).

Almost surely, 2^328741555 is an apocalyptic number.

328741555 is a deficient number, since it is larger than the sum of its proper divisors (67953245).

328741555 is a wasteful number, since it uses less digits than its factorization.

328741555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367493.

The product of its digits is 168000, while the sum is 40.

The square root of 328741555 is about 18131.2314805145. The cubic root of 328741555 is about 690.1627810303.

The spelling of 328741555 in words is "three hundred twenty-eight million, seven hundred forty-one thousand, five hundred fifty-five".