38840136 has 32 divisors (see below), whose sum is σ = 97653600. Its totient is φ = 12872960.

The previous prime is 38840111. The next prime is 38840147. The reversal of 38840136 is 63104883.

It is a junction number, because it is equal to n+sod(n) for n = 38840097 and 38840106.

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, 225 + ... + 8816.

It is an arithmetic number, because the mean of its divisors is an integer number (3051675).

Almost surely, 2^38840136 is an apocalyptic number.

It is an amenable number.

38840136 is an abundant number, since it is smaller than the sum of its proper divisors (58813464).

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

38840136 is a wasteful number, since it uses less digits than its factorization.

38840136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229 (or 9225 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 38840136 is about 6232.1854914628. The cubic root of 38840136 is about 338.6571485190.

The spelling of 38840136 in words is "thirty-eight million, eight hundred forty thousand, one hundred thirty-six".