38113793 has 2 divisors, whose sum is σ = 38113794. Its totient is φ = 38113792.

The previous prime is 38113769. The next prime is 38113799. The reversal of 38113793 is 39731183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32809984 + 5303809 = 5728^2 + 2303^2 .

It is a cyclic number.

It is not a de Polignac number, because 38113793 - 2¹⁰ = 38112769 is a prime.

It is a super-2 number, since 2×38113793² = 2905322433693698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38113799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19056896 + 19056897.

It is an arithmetic number, because the mean of its divisors is an integer number (19056897).

Almost surely, 2^38113793 is an apocalyptic number.

It is an amenable number.

38113793 is a deficient number, since it is larger than the sum of its proper divisors (1).

38113793 is an equidigital number, since it uses as much as digits as its factorization.

38113793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 38113793 is about 6173.6369345792. The cubic root of 38113793 is about 336.5327933351.

The spelling of 38113793 in words is "thirty-eight million, one hundred thirteen thousand, seven hundred ninety-three".