328249956 has 48 divisors (see below), whose sum is σ = 794082240. Its totient is φ = 105409920.

The previous prime is 328249949. The next prime is 328249963. The reversal of 328249956 is 659942823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328249949) and next prime (328249963).

It is a super-2 number, since 2×328249956² = 215496067228003872, which contains 22 as substring.

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, 229315 + ... + 230741.

It is an arithmetic number, because the mean of its divisors is an integer number (16543380).

Almost surely, 2^328249956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328249956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397041120).

328249956 is an abundant number, since it is smaller than the sum of its proper divisors (465832284).

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

328249956 is a wasteful number, since it uses less digits than its factorization.

328249956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2122 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 328249956 is about 18117.6697177093. The cubic root of 328249956 is about 689.8185870482.

The spelling of 328249956 in words is "three hundred twenty-eight million, two hundred forty-nine thousand, nine hundred fifty-six".