38428423 has 16 divisors (see below), whose sum is σ = 44027136. Its totient is φ = 33200640.

The previous prime is 38428421. The next prime is 38428477. The reversal of 38428423 is 32482483.

38428423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38428423 - 2¹ = 38428421 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 (38428421) 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 in 15 ways as a sum of consecutive naturals, for example, 48436 + ... + 49222.

It is an arithmetic number, because the mean of its divisors is an integer number (2751696).

Almost surely, 2^38428423 is an apocalyptic number.

38428423 is a deficient number, since it is larger than the sum of its proper divisors (5598713).

38428423 is a wasteful number, since it uses less digits than its factorization.

38428423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its digits is 36864, while the sum is 34.

The square root of 38428423 is about 6199.0663006617. The cubic root of 38428423 is about 337.4562847815.

The spelling of 38428423 in words is "thirty-eight million, four hundred twenty-eight thousand, four hundred twenty-three".