328061670 has 32 divisors (see below), whose sum is σ = 790744032. Its totient is φ = 87105792.

The previous prime is 328061639. The next prime is 328061693. The reversal of 328061670 is 76160823.

It is a Curzon number.

It is a congruent number.

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, 16477 + ... + 30456.

It is an arithmetic number, because the mean of its divisors is an integer number (24710751).

Almost surely, 2^328061670 is an apocalyptic number.

328061670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328061670 is an abundant number, since it is smaller than the sum of its proper divisors (462682362).

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

328061670 is a wasteful number, since it uses less digits than its factorization.

328061670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47176.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 328061670 is about 18112.4727743067. The cubic root of 328061670 is about 689.6866672292.

The spelling of 328061670 in words is "three hundred twenty-eight million, sixty-one thousand, six hundred seventy".