38303642 has 16 divisors (see below), whose sum is σ = 62574120. Its totient is φ = 17478912.

The previous prime is 38303641. The next prime is 38303653. The reversal of 38303642 is 24630383.

38303642 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 4 ways, for example, as 30680521 + 7623121 = 5539^2 + 2761^2 .

It is not an unprimeable number, because it can be changed into a prime (38303641) 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, 5963 + ... + 10590.

Almost surely, 2^38303642 is an apocalyptic number.

38303642 is a deficient number, since it is larger than the sum of its proper divisors (24270478).

38303642 is a wasteful number, since it uses less digits than its factorization.

38303642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16657.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 38303642 is about 6188.9936177055. The cubic root of 38303642 is about 337.0906370982.

The spelling of 38303642 in words is "thirty-eight million, three hundred three thousand, six hundred forty-two".