1938312324 has 288 divisors, whose sum is σ = 5988003840. Its totient is φ = 522547200.

The previous prime is 1938312323. The next prime is 1938312329. The reversal of 1938312324 is 4232138391.

1938312324 is a `hidden beast` number, since 19 + 3 + 8 + 312 + 324 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1938312323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7152309 + ... + 7152579.

It is an arithmetic number, because the mean of its divisors is an integer number (20791680).

Almost surely, 2^1938312324 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 1938312324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2994001920).

1938312324 is an abundant number, since it is smaller than the sum of its proper divisors (4049691516).

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

1938312324 is a wasteful number, since it uses less digits than its factorization.

1938312324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 366 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1938312324 is about 44026.2685677540. The cubic root of 1938312324 is about 1246.8319399530.

The spelling of 1938312324 in words is "one billion, nine hundred thirty-eight million, three hundred twelve thousand, three hundred twenty-four".