993799001 has 4 divisors (see below), whose sum is σ = 1070245092. Its totient is φ = 917352912.

The previous prime is 993798997. The next prime is 993799031. The reversal of 993799001 is 100997399.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 567582976 + 426216025 = 23824^2 + 20645^2 .

It is a cyclic number.

It is not a de Polignac number, because 993799001 - 2² = 993798997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993799031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38223026 + ... + 38223051.

It is an arithmetic number, because the mean of its divisors is an integer number (267561273).

Almost surely, 2^993799001 is an apocalyptic number.

It is an amenable number.

993799001 is a deficient number, since it is larger than the sum of its proper divisors (76446091).

993799001 is a wasteful number, since it uses less digits than its factorization.

993799001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76446090.

The product of its (nonzero) digits is 137781, while the sum is 47.

The square root of 993799001 is about 31524.5777291306. The cubic root of 993799001 is about 997.9287130659.

The spelling of 993799001 in words is "nine hundred ninety-three million, seven hundred ninety-nine thousand, one".