328121070 has 32 divisors (see below), whose sum is σ = 828938880. Its totient is φ = 82893600.

The previous prime is 328121041. The next prime is 328121077. The reversal of 328121070 is 70121823.

It is a self number, because there is not a number n which added to its sum of digits gives 328121070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328121077) 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, 287256 + ... + 288395.

It is an arithmetic number, because the mean of its divisors is an integer number (25904340).

Almost surely, 2^328121070 is an apocalyptic number.

328121070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328121070 is an abundant number, since it is smaller than the sum of its proper divisors (500817810).

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

328121070 is a wasteful number, since it uses less digits than its factorization.

328121070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575680.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 328121070 is about 18114.1124541061. The cubic root of 328121070 is about 689.7282904152.

Adding to 328121070 its reverse (70121823), we get a palindrome (398242893).

The spelling of 328121070 in words is "three hundred twenty-eight million, one hundred twenty-one thousand, seventy".