328418442 has 48 divisors (see below), whose sum is σ = 802213440. Its totient is φ = 99518760.

The previous prime is 328418437. The next prime is 328418443. The reversal of 328418442 is 244814823.

It is a junction number, because it is equal to n+sod(n) for n = 328418397 and 328418406.

It is not an unprimeable number, because it can be changed into a prime (328418443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18598 + ... + 31665.

It is an arithmetic number, because the mean of its divisors is an integer number (16712780).

Almost surely, 2^328418442 is an apocalyptic number.

328418442 is an abundant number, since it is smaller than the sum of its proper divisors (473794998).

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

328418442 is a wasteful number, since it uses less digits than its factorization.

328418442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50296 (or 50279 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 328418442 is about 18122.3188913560. The cubic root of 328418442 is about 689.9365915267.

The spelling of 328418442 in words is "three hundred twenty-eight million, four hundred eighteen thousand, four hundred forty-two".