38138454 has 12 divisors (see below), whose sum is σ = 82633356. Its totient is φ = 12712812.

The previous prime is 38138449. The next prime is 38138467. The reversal of 38138454 is 45483183.

38138454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1059384 + ... + 1059419.

It is an arithmetic number, because the mean of its divisors is an integer number (6886113).

Almost surely, 2^38138454 is an apocalyptic number.

38138454 is an abundant number, since it is smaller than the sum of its proper divisors (44494902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38138454 is a wasteful number, since it uses less digits than its factorization.

38138454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118811 (or 2118808 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 38138454 is about 6175.6338945893. The cubic root of 38138454 is about 336.6053606415.

The spelling of 38138454 in words is "thirty-eight million, one hundred thirty-eight thousand, four hundred fifty-four".