328771545 has 32 divisors (see below), whose sum is σ = 552628224. Its totient is φ = 166584000.

The previous prime is 328771543. The next prime is 328771559. The reversal of 328771545 is 545177823.

It is not a de Polignac number, because 328771545 - 2¹ = 328771543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328771497 and 328771506.

It is not an unprimeable number, because it can be changed into a prime (328771543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48940 + ... + 55250.

It is an arithmetic number, because the mean of its divisors is an integer number (17269632).

Almost surely, 2^328771545 is an apocalyptic number.

It is an amenable number.

328771545 is a deficient number, since it is larger than the sum of its proper divisors (223856679).

328771545 is a wasteful number, since it uses less digits than its factorization.

328771545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493.

The product of its digits is 235200, while the sum is 42.

The square root of 328771545 is about 18132.0584876621. The cubic root of 328771545 is about 690.1837674780.

The spelling of 328771545 in words is "three hundred twenty-eight million, seven hundred seventy-one thousand, five hundred forty-five".