328494840 has 64 divisors (see below), whose sum is σ = 987240960. Its totient is φ = 87442560.

The previous prime is 328494823. The next prime is 328494841. The reversal of 328494840 is 48494823.

328494840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 328494792 and 328494801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328494841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75525 + ... + 79755.

It is an arithmetic number, because the mean of its divisors is an integer number (15425640).

Almost surely, 2^328494840 is an apocalyptic number.

328494840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328494840 is an abundant number, since it is smaller than the sum of its proper divisors (658746120).

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

328494840 is a wasteful number, since it uses less digits than its factorization.

328494840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 328494840 is about 18124.4266116200. The cubic root of 328494840 is about 689.9900859739.

The spelling of 328494840 in words is "three hundred twenty-eight million, four hundred ninety-four thousand, eight hundred forty".