1148393 has 4 divisors (see below), whose sum is σ = 1153680. Its totient is φ = 1143108.

The previous prime is 1148387. The next prime is 1148437. The reversal of 1148393 is 3938411.

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: 3938411 = 103 ⋅38237.

It is a cyclic number.

It is not a de Polignac number, because 1148393 - 2⁴ = 1148377 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 4⁹ + 8³ + 3¹¹ + 9⁶ + 3¹¹ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1148293) 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, 2303 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (288420).

2^1148393 is an apocalyptic number.

It is an amenable number.

1148393 is a deficient number, since it is larger than the sum of its proper divisors (5287).

1148393 is an equidigital number, since it uses as much as digits as its factorization.

1148393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286.

The product of its digits is 2592, while the sum is 29.

The square root of 1148393 is about 1071.6309999249. The cubic root of 1148393 is about 104.7201314924.

The spelling of 1148393 in words is "one million, one hundred forty-eight thousand, three hundred ninety-three".