38103978 has 16 divisors (see below), whose sum is σ = 83136096. Its totient is φ = 11546640.

The previous prime is 38103973. The next prime is 38103983. The reversal of 38103978 is 87930183.

38103978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38103973) and next prime (38103983).

It is not an unprimeable number, because it can be changed into a prime (38103973) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 288601 + ... + 288732.

It is an arithmetic number, because the mean of its divisors is an integer number (5196006).

Almost surely, 2^38103978 is an apocalyptic number.

38103978 is an abundant number, since it is smaller than the sum of its proper divisors (45032118).

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

38103978 is a wasteful number, since it uses less digits than its factorization.

38103978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577349.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 38103978 is about 6172.8419710859. The cubic root of 38103978 is about 336.5039030683.

The spelling of 38103978 in words is "thirty-eight million, one hundred three thousand, nine hundred seventy-eight".