1994968582 has 8 divisors (see below), whose sum is σ = 3004375752. Its totient is φ = 993510000.

The previous prime is 1994968571. The next prime is 1994968589. The reversal of 1994968582 is 2858694991.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1994968582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994968589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986519 + ... + 1987522.

It is an arithmetic number, because the mean of its divisors is an integer number (375546969).

Almost surely, 2^1994968582 is an apocalyptic number.

1994968582 is a deficient number, since it is larger than the sum of its proper divisors (1009407170).

1994968582 is a wasteful number, since it uses less digits than its factorization.

1994968582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974294.

The product of its digits is 11197440, while the sum is 61.

The square root of 1994968582 is about 44665.0711630464. The cubic root of 1994968582 is about 1258.8636311044.

The spelling of 1994968582 in words is "one billion, nine hundred ninety-four million, nine hundred sixty-eight thousand, five hundred eighty-two".