38987042 has 8 divisors (see below), whose sum is σ = 58873500. Its totient is φ = 19362544.

The previous prime is 38986999. The next prime is 38987051. The reversal of 38987042 is 24078983.

It can be written as a sum of positive squares in 2 ways, for example, as 32273761 + 6713281 = 5681^2 + 2591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 65117 + ... + 65712.

Almost surely, 2^38987042 is an apocalyptic number.

38987042 is a deficient number, since it is larger than the sum of its proper divisors (19886458).

38987042 is a wasteful number, since it uses less digits than its factorization.

38987042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130980.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38987042 is about 6243.9604418990. The cubic root of 38987042 is about 339.0835817496.

The spelling of 38987042 in words is "thirty-eight million, nine hundred eighty-seven thousand, forty-two".