1994380000 has 60 divisors (see below), whose sum is σ = 4906523160. Its totient is φ = 797744000.

The previous prime is 1994379997. The next prime is 1994380019. The reversal of 1994380000 is 834991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29860 + ... + 69859.

It is an arithmetic number, because the mean of its divisors is an integer number (81775386).

Almost surely, 2^1994380000 is an apocalyptic number.

1994380000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994380000 is an abundant number, since it is smaller than the sum of its proper divisors (2912143160).

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

1994380000 is an frugal number, since it uses more digits than its factorization.

1994380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99749 (or 99726 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1994380000 is about 44658.4818371606. The cubic root of 1994380000 is about 1258.7398167312.

The spelling of 1994380000 in words is "one billion, nine hundred ninety-four million, three hundred eighty thousand".