328000071 has 12 divisors (see below), whose sum is σ = 508735032. Its totient is φ = 187428528.

The previous prime is 328000069. The next prime is 328000073. The reversal of 328000071 is 170000823.

It is an interprime number because it is at equal distance from previous prime (328000069) and next prime (328000073).

It is not a de Polignac number, because 328000071 - 2¹ = 328000069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328000073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1115500 + ... + 1115793.

It is an arithmetic number, because the mean of its divisors is an integer number (42394586).

Almost surely, 2^328000071 is an apocalyptic number.

328000071 is a deficient number, since it is larger than the sum of its proper divisors (180734961).

328000071 is a wasteful number, since it uses less digits than its factorization.

328000071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231310 (or 2231303 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 328000071 is about 18110.7722364343. The cubic root of 328000071 is about 689.6434978374.

Adding to 328000071 its reverse (170000823), we get a palindrome (498000894).

The spelling of 328000071 in words is "three hundred twenty-eight million, seventy-one", and thus it is an aban number.