38507738 has 8 divisors (see below), whose sum is σ = 58291860. Its totient is φ = 19077120.

The previous prime is 38507731. The next prime is 38507753. The reversal of 38507738 is 83770583.

38507738 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 37246609 + 1261129 = 6103^2 + 1123^2 .

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 = 38507695 and 38507704.

It is not an unprimeable number, because it can be changed into a prime (38507731) 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 3 ways as a sum of consecutive naturals, for example, 88103 + ... + 88538.

Almost surely, 2^38507738 is an apocalyptic number.

38507738 is a deficient number, since it is larger than the sum of its proper divisors (19784122).

38507738 is a wasteful number, since it uses less digits than its factorization.

38507738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176752.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 38507738 is about 6205.4603374770. The cubic root of 38507738 is about 337.6882914575.

The spelling of 38507738 in words is "thirty-eight million, five hundred seven thousand, seven hundred thirty-eight".