1994936379 has 8 divisors (see below), whose sum is σ = 2704998720. Its totient is φ = 1307415816.

The previous prime is 1994936353. The next prime is 1994936381. The reversal of 1994936379 is 9736394991.

1994936379 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1994936379 - 2¹⁵ = 1994903611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994936329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5635237 + ... + 5635590.

It is an arithmetic number, because the mean of its divisors is an integer number (338124840).

Almost surely, 2^1994936379 is an apocalyptic number.

1994936379 is a deficient number, since it is larger than the sum of its proper divisors (710062341).

1994936379 is a wasteful number, since it uses less digits than its factorization.

1994936379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270889.

The product of its digits is 9920232, while the sum is 60.

The square root of 1994936379 is about 44664.7106673714. The cubic root of 1994936379 is about 1258.8568574967.

The spelling of 1994936379 in words is "one billion, nine hundred ninety-four million, nine hundred thirty-six thousand, three hundred seventy-nine".