320878148 has 12 divisors (see below), whose sum is σ = 579651072. Its totient is φ = 155263560.

The previous prime is 320878141. The next prime is 320878157. The reversal of 320878148 is 841878023.

320878148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×320878148³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (320878141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293740 + ... + 1293987.

It is an arithmetic number, because the mean of its divisors is an integer number (48304256).

Almost surely, 2^320878148 is an apocalyptic number.

It is an amenable number.

320878148 is a deficient number, since it is larger than the sum of its proper divisors (258772924).

320878148 is a wasteful number, since it uses less digits than its factorization.

320878148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587762 (or 2587760 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 320878148 is about 17913.0719866806. The cubic root of 320878148 is about 684.6154788653.

The spelling of 320878148 in words is "three hundred twenty million, eight hundred seventy-eight thousand, one hundred forty-eight".