2938523994 has 80 divisors (see below), whose sum is σ = 7561388736. Its totient is φ = 835531200.

The previous prime is 2938523993. The next prime is 2938524019. The reversal of 2938523994 is 4993258392.

2938523994 is a `hidden beast` number, since 29 + 3 + 8 + 523 + 9 + 94 = 666.

2938523994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2938523994.

It is not an unprimeable number, because it can be changed into a prime (2938523993) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 233134 + ... + 245414.

Almost surely, 2^2938523994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2938523994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780694368).

2938523994 is an abundant number, since it is smaller than the sum of its proper divisors (4622864742).

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

2938523994 is a wasteful number, since it uses less digits than its factorization.

2938523994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513 (or 12504 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 2938523994 is about 54208.1543127969. The cubic root of 2938523994 is about 1432.3299740637.

The spelling of 2938523994 in words is "two billion, nine hundred thirty-eight million, five hundred twenty-three thousand, nine hundred ninety-four".