38540456 has 16 divisors (see below), whose sum is σ = 75405600. Its totient is φ = 18432304.

The previous prime is 38540443. The next prime is 38540459. The reversal of 38540456 is 65404583.

It is not an unprimeable number, because it can be changed into a prime (38540459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104546 + ... + 104913.

It is an arithmetic number, because the mean of its divisors is an integer number (4712850).

Almost surely, 2^38540456 is an apocalyptic number.

It is an amenable number.

38540456 is a deficient number, since it is larger than the sum of its proper divisors (36865144).

38540456 is a wasteful number, since it uses less digits than its factorization.

38540456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209488 (or 209484 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 38540456 is about 6208.0960044123. The cubic root of 38540456 is about 337.7839030450.

The spelling of 38540456 in words is "thirty-eight million, five hundred forty thousand, four hundred fifty-six".