321474048 has 160 divisors (see below), whose sum is σ = 1013506560. Its totient is φ = 88596480.

The previous prime is 321474047. The next prime is 321474103. The reversal of 321474048 is 840474123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321474047) 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, 311293 + ... + 312323.

It is an arithmetic number, because the mean of its divisors is an integer number (6334416).

Almost surely, 2^321474048 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 321474048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506753280).

321474048 is an abundant number, since it is smaller than the sum of its proper divisors (692032512).

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

321474048 is a wasteful number, since it uses less digits than its factorization.

321474048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 321474048 is about 17929.6973761411. The cubic root of 321474048 is about 685.0390145964.

The spelling of 321474048 in words is "three hundred twenty-one million, four hundred seventy-four thousand, forty-eight".