1047993 has 4 divisors (see below), whose sum is σ = 1397328. Its totient is φ = 698660.

The previous prime is 1047989. The next prime is 1047997. The reversal of 1047993 is 3997401.

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: 3997401 = 3 ⋅1332467.

It is an interprime number because it is at equal distance from previous prime (1047989) and next prime (1047997).

It is a cyclic number.

It is not a de Polignac number, because 1047993 - 2² = 1047989 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 (1047997) 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, 174663 + ... + 174668.

It is an arithmetic number, because the mean of its divisors is an integer number (349332).

2^1047993 is an apocalyptic number.

It is an amenable number.

1047993 is a deficient number, since it is larger than the sum of its proper divisors (349335).

1047993 is an equidigital number, since it uses as much as digits as its factorization.

1047993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349334.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1047993 is about 1023.7152924520. The cubic root of 1047993 is about 101.5748354090.

The spelling of 1047993 in words is "one million, forty-seven thousand, nine hundred ninety-three".