1238794793 has 4 divisors (see below), whose sum is σ = 1242778368. Its totient is φ = 1234811220.

The previous prime is 1238794759. The next prime is 1238794829. The reversal of 1238794793 is 3974978321.

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: 3974978321 = 101 ⋅39356221.

It is a cyclic number.

It is not a de Polignac number, because 1238794793 - 2¹⁰ = 1238793769 is a prime.

It is a super-2 number, since 2×1238794793² = 3069225078327825698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238794393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991321 + ... + 1991942.

It is an arithmetic number, because the mean of its divisors is an integer number (310694592).

Almost surely, 2^1238794793 is an apocalyptic number.

It is an amenable number.

1238794793 is a deficient number, since it is larger than the sum of its proper divisors (3983575).

1238794793 is an equidigital number, since it uses as much as digits as its factorization.

1238794793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983574.

The product of its digits is 2286144, while the sum is 53.

The square root of 1238794793 is about 35196.5167736809. The cubic root of 1238794793 is about 1073.9888940335.

The spelling of 1238794793 in words is "one billion, two hundred thirty-eight million, seven hundred ninety-four thousand, seven hundred ninety-three".