38546540 has 12 divisors (see below), whose sum is σ = 80947776. Its totient is φ = 15418608.

The previous prime is 38546513. The next prime is 38546561. The reversal of 38546540 is 4564583.

It is a self number, because there is not a number n which added to its sum of digits gives 38546540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963644 + ... + 963683.

It is an arithmetic number, because the mean of its divisors is an integer number (6745648).

Almost surely, 2^38546540 is an apocalyptic number.

It is an amenable number.

38546540 is an abundant number, since it is smaller than the sum of its proper divisors (42401236).

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

38546540 is a wasteful number, since it uses less digits than its factorization.

38546540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927336 (or 1927334 counting only the distinct ones).

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

The square root of 38546540 is about 6208.5859903846. The cubic root of 38546540 is about 337.8016763094.

The spelling of 38546540 in words is "thirty-eight million, five hundred forty-six thousand, five hundred forty".