1994529938 has 8 divisors (see below), whose sum is σ = 2993763888. Its totient is φ = 996608644.

The previous prime is 1994529937. The next prime is 1994529949. The reversal of 1994529938 is 8399254991.

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

It is not an unprimeable number, because it can be changed into a prime (1994529937) 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, 324356 + ... + 330447.

It is an arithmetic number, because the mean of its divisors is an integer number (374220486).

Almost surely, 2^1994529938 is an apocalyptic number.

1994529938 is a deficient number, since it is larger than the sum of its proper divisors (999233950).

1994529938 is a wasteful number, since it uses less digits than its factorization.

1994529938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656328.

The product of its digits is 6298560, while the sum is 59.

The square root of 1994529938 is about 44660.1605236703. The cubic root of 1994529938 is about 1258.7713600682.

The spelling of 1994529938 in words is "one billion, nine hundred ninety-four million, five hundred twenty-nine thousand, nine hundred thirty-eight".