38945136 has 40 divisors (see below), whose sum is σ = 105905920. Its totient is φ = 12298176.

The previous prime is 38945119. The next prime is 38945149. The reversal of 38945136 is 63154983.

It is a junction number, because it is equal to n+sod(n) for n = 38945094 and 38945103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20440 + ... + 22263.

It is an arithmetic number, because the mean of its divisors is an integer number (2647648).

Almost surely, 2^38945136 is an apocalyptic number.

It is an amenable number.

38945136 is an abundant number, since it is smaller than the sum of its proper divisors (66960784).

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

38945136 is a wasteful number, since it uses less digits than its factorization.

38945136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733 (or 42727 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 38945136 is about 6240.6038169395. The cubic root of 38945136 is about 338.9620479437.

The spelling of 38945136 in words is "thirty-eight million, nine hundred forty-five thousand, one hundred thirty-six".