38688154 has 4 divisors (see below), whose sum is σ = 58032234. Its totient is φ = 19344076.

The previous prime is 38688131. The next prime is 38688157. The reversal of 38688154 is 45188683.

38688154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45188683 = 41 ⋅1102163.

It can be written as a sum of positive squares in only one way, i.e., 34164025 + 4524129 = 5845^2 + 2127^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38688154.

It is not an unprimeable number, because it can be changed into a prime (38688157) 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 as a sum of consecutive naturals, namely, 9672037 + ... + 9672040.

Almost surely, 2^38688154 is an apocalyptic number.

38688154 is a deficient number, since it is larger than the sum of its proper divisors (19344080).

38688154 is a wasteful number, since it uses less digits than its factorization.

38688154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344079.

The product of its digits is 184320, while the sum is 43.

The square root of 38688154 is about 6219.9802250490. The cubic root of 38688154 is about 338.2148477070.

The spelling of 38688154 in words is "thirty-eight million, six hundred eighty-eight thousand, one hundred fifty-four".