320874148 has 36 divisors (see below), whose sum is σ = 656015052. Its totient is φ = 136926720.

The previous prime is 320874121. The next prime is 320874193. The reversal of 320874148 is 841478023.

320874148 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 129549924 + 191324224 = 11382^2 + 13832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43840 + ... + 50632.

Almost surely, 2^320874148 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 320874148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328007526).

320874148 is an abundant number, since it is smaller than the sum of its proper divisors (335140904).

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

320874148 is a wasteful number, since it uses less digits than its factorization.

320874148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052 (or 7043 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 320874148 is about 17912.9603360249. The cubic root of 320874148 is about 684.6126340956.

The spelling of 320874148 in words is "three hundred twenty million, eight hundred seventy-four thousand, one hundred forty-eight".