1938023424 has 264 divisors, whose sum is σ = 6008550912. Its totient is φ = 600145920.

The previous prime is 1938023371. The next prime is 1938023449. The reversal of 1938023424 is 4243208391.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8690577 + ... + 8690799.

Almost surely, 2^1938023424 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 1938023424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3004275456).

1938023424 is an abundant number, since it is smaller than the sum of its proper divisors (4070527488).

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

1938023424 is a wasteful number, since it uses less digits than its factorization.

1938023424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1938023424 is about 44022.9874497404. The cubic root of 1938023424 is about 1246.7699912773.

The spelling of 1938023424 in words is "one billion, nine hundred thirty-eight million, twenty-three thousand, four hundred twenty-four".