38946789 has 24 divisors (see below), whose sum is σ = 67679040. Its totient is φ = 21083328.

The previous prime is 38946773. The next prime is 38946799. The reversal of 38946789 is 98764983.

38946789 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 38946789 - 2⁴ = 38946773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38946749) 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 23 ways as a sum of consecutive naturals, for example, 15072 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (2819960).

Almost surely, 2^38946789 is an apocalyptic number.

It is an amenable number.

38946789 is a deficient number, since it is larger than the sum of its proper divisors (28732251).

38946789 is a wasteful number, since it uses less digits than its factorization.

38946789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32569 (or 32566 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 38946789 is about 6240.7362546418. The cubic root of 38946789 is about 338.9668435476.

The spelling of 38946789 in words is "thirty-eight million, nine hundred forty-six thousand, seven hundred eighty-nine".