328400016 has 80 divisors (see below), whose sum is σ = 1026612864. Its totient is φ = 88307712.

The previous prime is 328399993. The next prime is 328400071. The reversal of 328400016 is 610004823.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23035 + ... + 34458.

Almost surely, 2^328400016 is an apocalyptic number.

It is an amenable number.

328400016 is an abundant number, since it is smaller than the sum of its proper divisors (698212848).

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

328400016 is a wasteful number, since it uses less digits than its factorization.

328400016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57528 (or 57522 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 328400016 is about 18121.8105055759. The cubic root of 328400016 is about 689.9236882629.

Adding to 328400016 its reverse (610004823), we get a palindrome (938404839).

It can be divided in two parts, 32 and 8400016, that added together give a palindrome (8400048).

The spelling of 328400016 in words is "three hundred twenty-eight million, four hundred thousand, sixteen".