38011693 has 4 divisors (see below), whose sum is σ = 38098720. Its totient is φ = 37924668.

The previous prime is 38011667. The next prime is 38011697. The reversal of 38011693 is 39611083.

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.

It is a cyclic number.

It is not a de Polignac number, because 38011693 - 2⁵ = 38011661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38011697) 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, 42855 + ... + 43732.

It is an arithmetic number, because the mean of its divisors is an integer number (9524680).

Almost surely, 2^38011693 is an apocalyptic number.

It is an amenable number.

38011693 is a deficient number, since it is larger than the sum of its proper divisors (87027).

38011693 is an equidigital number, since it uses as much as digits as its factorization.

38011693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87026.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 38011693 is about 6165.3623575586. The cubic root of 38011693 is about 336.2320209842.

The spelling of 38011693 in words is "thirty-eight million, eleven thousand, six hundred ninety-three".