1038993 has 4 divisors (see below), whose sum is σ = 1385328. Its totient is φ = 692660.

The previous prime is 1038953. The next prime is 1039001. The reversal of 1038993 is 3998301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3998301 = 3 ⋅1332767.

It is a cyclic number.

It is not a de Polignac number, because 1038993 - 2¹³ = 1030801 is a prime.

It is a D-number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1038913) 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, 173163 + ... + 173168.

It is an arithmetic number, because the mean of its divisors is an integer number (346332).

2^1038993 is an apocalyptic number.

It is an amenable number.

1038993 is a deficient number, since it is larger than the sum of its proper divisors (346335).

1038993 is an equidigital number, since it uses as much as digits as its factorization.

1038993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346334.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1038993 is about 1019.3100607764. The cubic root of 1038993 is about 101.2832294529.

The spelling of 1038993 in words is "one million, thirty-eight thousand, nine hundred ninety-three".