38881542 has 32 divisors (see below), whose sum is σ = 90554112. Its totient is φ = 10898784.

The previous prime is 38881537. The next prime is 38881597. The reversal of 38881542 is 24518883.

It is a self number, because there is not a number n which added to its sum of digits gives 38881542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6508 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (2829816).

Almost surely, 2^38881542 is an apocalyptic number.

38881542 is an abundant number, since it is smaller than the sum of its proper divisors (51672570).

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

38881542 is a wasteful number, since it uses less digits than its factorization.

38881542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17532.

The product of its digits is 61440, while the sum is 39.

The square root of 38881542 is about 6235.5065552046. The cubic root of 38881542 is about 338.7774489724. Note that the first 3 decimals are identical.

The spelling of 38881542 in words is "thirty-eight million, eight hundred eighty-one thousand, five hundred forty-two".