1933478316 has 192 divisors, whose sum is σ = 6396149760. Its totient is φ = 490432320.

The previous prime is 1933478299. The next prime is 1933478317. The reversal of 1933478316 is 6138743391.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1933478317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354885 + ... + 360291.

It is an arithmetic number, because the mean of its divisors is an integer number (33313280).

Almost surely, 2^1933478316 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 1933478316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198074880).

1933478316 is an abundant number, since it is smaller than the sum of its proper divisors (4462671444).

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

1933478316 is a wasteful number, since it uses less digits than its factorization.

1933478316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481 (or 5473 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 1933478316 is about 43971.3351628081. The cubic root of 1933478316 is about 1245.7945747992.

It can be divided in two parts, 1933 and 478316, that added together give a square (480249 = 693²).

The spelling of 1933478316 in words is "one billion, nine hundred thirty-three million, four hundred seventy-eight thousand, three hundred sixteen".