319228404 has 96 divisors (see below), whose sum is σ = 850953600. Its totient is φ = 92252160.

The previous prime is 319228391. The next prime is 319228439. The reversal of 319228404 is 404822913.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340224 + ... + 341160.

It is an arithmetic number, because the mean of its divisors is an integer number (8864100).

Almost surely, 2^319228404 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 319228404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425476800).

319228404 is an abundant number, since it is smaller than the sum of its proper divisors (531725196).

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

319228404 is a wasteful number, since it uses less digits than its factorization.

319228404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

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

The square root of 319228404 is about 17866.9640398138. The cubic root of 319228404 is about 683.4401817981.

The spelling of 319228404 in words is "three hundred nineteen million, two hundred twenty-eight thousand, four hundred four".