38124405 has 32 divisors (see below), whose sum is σ = 73941120. Its totient is φ = 18483840.

The previous prime is 38124403. The next prime is 38124413. The reversal of 38124405 is 50442183.

It is not a de Polignac number, because 38124405 - 2¹ = 38124403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38124403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11352 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (2310660).

Almost surely, 2^38124405 is an apocalyptic number.

It is an amenable number.

38124405 is a deficient number, since it is larger than the sum of its proper divisors (35816715).

38124405 is a wasteful number, since it uses less digits than its factorization.

38124405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25698 (or 25692 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 38124405 is about 6174.4963357346. The cubic root of 38124405 is about 336.5640239765.

Adding to 38124405 its reverse (50442183), we get a palindrome (88566588).

The spelling of 38124405 in words is "thirty-eight million, one hundred twenty-four thousand, four hundred five".