38574642 has 8 divisors (see below), whose sum is σ = 77149296. Its totient is φ = 12858212.

The previous prime is 38574637. The next prime is 38574661. The reversal of 38574642 is 24647583.

It is a happy number.

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

38574642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38574642.

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, 3214548 + ... + 3214559.

It is an arithmetic number, because the mean of its divisors is an integer number (9643662).

Almost surely, 2^38574642 is an apocalyptic number.

38574642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38574642 is a wasteful number, since it uses less digits than its factorization.

38574642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429112.

The product of its digits is 161280, while the sum is 39.

The square root of 38574642 is about 6210.8487342713. The cubic root of 38574642 is about 337.8837467688.

The spelling of 38574642 in words is "thirty-eight million, five hundred seventy-four thousand, six hundred forty-two".