38388011 has 4 divisors (see below), whose sum is σ = 38583072. Its totient is φ = 38192952.

The previous prime is 38387977. The next prime is 38388017. The reversal of 38388011 is 11088383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11088383 = 151 ⋅73433.

It is a cyclic number.

It is not a de Polignac number, because 38388011 - 2²² = 34193707 is a prime.

It is a super-2 number, since 2×38388011² = 2947278777072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38388017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97235 + ... + 97628.

It is an arithmetic number, because the mean of its divisors is an integer number (9645768).

Almost surely, 2^38388011 is an apocalyptic number.

38388011 is a deficient number, since it is larger than the sum of its proper divisors (195061).

38388011 is a wasteful number, since it uses less digits than its factorization.

38388011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195060.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 38388011 is about 6195.8059201366. The cubic root of 38388011 is about 337.3379516528.

The spelling of 38388011 in words is "thirty-eight million, three hundred eighty-eight thousand, eleven".