38758138 has 16 divisors (see below), whose sum is σ = 61319520. Its totient is φ = 18322416.

The previous prime is 38758121. The next prime is 38758163. The reversal of 38758138 is 83185783.

It is a super-2 number, since 2×38758138² = 3004386522454088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38758094 and 38758103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32745 + ... + 33907.

It is an arithmetic number, because the mean of its divisors is an integer number (3832470).

Almost surely, 2^38758138 is an apocalyptic number.

38758138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38758138 is a deficient number, since it is larger than the sum of its proper divisors (22561382).

38758138 is a wasteful number, since it uses less digits than its factorization.

38758138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its digits is 161280, while the sum is 43.

The square root of 38758138 is about 6225.6034245686. The cubic root of 38758138 is about 338.4186600507.

The spelling of 38758138 in words is "thirty-eight million, seven hundred fifty-eight thousand, one hundred thirty-eight".