38618842 has 8 divisors (see below), whose sum is σ = 58111956. Its totient is φ = 19248192.

The previous prime is 38618813. The next prime is 38618873. The reversal of 38618842 is 24881683.

38618842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24413481 + 14205361 = 4941^2 + 3769^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 38618795 and 38618804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29823 + ... + 31090.

Almost surely, 2^38618842 is an apocalyptic number.

38618842 is a deficient number, since it is larger than the sum of its proper divisors (19493114).

38618842 is a wasteful number, since it uses less digits than its factorization.

38618842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61232.

The product of its digits is 73728, while the sum is 40.

The square root of 38618842 is about 6214.4060054039. The cubic root of 38618842 is about 338.0127500063.

The spelling of 38618842 in words is "thirty-eight million, six hundred eighteen thousand, eight hundred forty-two".