38104642 has 16 divisors (see below), whose sum is σ = 59887872. Its totient is φ = 18160560.

The previous prime is 38104631. The next prime is 38104643. The reversal of 38104642 is 24640183.

It is a self number, because there is not a number n which added to its sum of digits gives 38104642.

It is not an unprimeable number, because it can be changed into a prime (38104643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 433 + ... + 8740.

It is an arithmetic number, because the mean of its divisors is an integer number (3742992).

Almost surely, 2^38104642 is an apocalyptic number.

38104642 is a deficient number, since it is larger than the sum of its proper divisors (21783230).

38104642 is a wasteful number, since it uses less digits than its factorization.

38104642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 38104642 is about 6172.8957548301. The cubic root of 38104642 is about 336.5058576962.

The spelling of 38104642 in words is "thirty-eight million, one hundred four thousand, six hundred forty-two".