993969974 has 8 divisors (see below), whose sum is σ = 1578658248. Its totient is φ = 467750560.

The previous prime is 993969947. The next prime is 993969989. The reversal of 993969974 is 479969399.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 993969974.

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 3 ways as a sum of consecutive naturals, for example, 14617172 + ... + 14617239.

It is an arithmetic number, because the mean of its divisors is an integer number (197332281).

Almost surely, 2^993969974 is an apocalyptic number.

993969974 is a deficient number, since it is larger than the sum of its proper divisors (584688274).

993969974 is a wasteful number, since it uses less digits than its factorization.

993969974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29234430.

The product of its digits is 29760696, while the sum is 65.

The square root of 993969974 is about 31527.2893538281. The cubic root of 993969974 is about 997.9859376093.

The spelling of 993969974 in words is "nine hundred ninety-three million, nine hundred sixty-nine thousand, nine hundred seventy-four".