328449012 has 24 divisors (see below), whose sum is σ = 792808800. Its totient is φ = 105707616.

The previous prime is 328448933. The next prime is 328449013. The reversal of 328449012 is 210944823.

It is a super-2 number, since 2×328449012² = 215757506967552288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328449013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471562 + ... + 472257.

It is an arithmetic number, because the mean of its divisors is an integer number (33033700).

Almost surely, 2^328449012 is an apocalyptic number.

It is an amenable number.

328449012 is an abundant number, since it is smaller than the sum of its proper divisors (464359788).

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

328449012 is a wasteful number, since it uses less digits than its factorization.

328449012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943855 (or 943853 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 328449012 is about 18123.1623068382. The cubic root of 328449012 is about 689.9579978633.

The spelling of 328449012 in words is "three hundred twenty-eight million, four hundred forty-nine thousand, twelve".