3918328 has 8 divisors (see below), whose sum is σ = 7346880. Its totient is φ = 1959160.

The previous prime is 3918323. The next prime is 3918353. The reversal of 3918328 is 8238193.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3918293 and 3918302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244888 + ... + 244903.

It is an arithmetic number, because the mean of its divisors is an integer number (918360).

Almost surely, 2^3918328 is an apocalyptic number.

It is an amenable number.

3918328 is a deficient number, since it is larger than the sum of its proper divisors (3428552).

3918328 is a wasteful number, since it uses less digits than its factorization.

3918328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489797 (or 489793 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 3918328 is about 1979.4766985241. The cubic root of 3918328 is about 157.6522823782.

The spelling of 3918328 in words is "three million, nine hundred eighteen thousand, three hundred twenty-eight".