38923430 has 32 divisors (see below), whose sum is σ = 86232384. Its totient is φ = 12318336.

The previous prime is 38923427. The next prime is 38923433. The reversal of 38923430 is 3432983.

It is a happy number.

38923430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38923427) and next prime (38923433).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38923433) 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, 20477 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (2694762).

Almost surely, 2^38923430 is an apocalyptic number.

38923430 is an abundant number, since it is smaller than the sum of its proper divisors (47308954).

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

38923430 is a wasteful number, since it uses less digits than its factorization.

38923430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42800.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 38923430 is about 6238.8644800156. The cubic root of 38923430 is about 338.8990629492.

The spelling of 38923430 in words is "thirty-eight million, nine hundred twenty-three thousand, four hundred thirty".