1007993 has 4 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 863988.

The previous prime is 1007977. The next prime is 1008001. The reversal of 1007993 is 3997001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1007993 - 2⁴ = 1007977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1007933) 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, 71993 + ... + 72006.

It is an arithmetic number, because the mean of its divisors is an integer number (288000).

2^1007993 is an apocalyptic number.

It is an amenable number.

1007993 is a deficient number, since it is larger than the sum of its proper divisors (144007).

1007993 is an equidigital number, since it uses as much as digits as its factorization.

1007993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144006.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1007993 is about 1003.9885457514. The cubic root of 1007993 is about 100.2657266016.

The spelling of 1007993 in words is "one million, seven thousand, nine hundred ninety-three".