38086738 has 4 divisors (see below), whose sum is σ = 57130110. Its totient is φ = 19043368.

The previous prime is 38086733. The next prime is 38086739. The reversal of 38086738 is 83768083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83768083 = 7 ⋅11966869.

It can be written as a sum of positive squares in only one way, i.e., 36687249 + 1399489 = 6057^2 + 1183^2 .

It is a super-2 number, since 2×38086738² = 2901199222961288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38086694 and 38086703.

It is not an unprimeable number, because it can be changed into a prime (38086733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9521683 + ... + 9521686.

Almost surely, 2^38086738 is an apocalyptic number.

38086738 is a deficient number, since it is larger than the sum of its proper divisors (19043372).

38086738 is a wasteful number, since it uses less digits than its factorization.

38086738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043371.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 38086738 is about 6171.4453736544. The cubic root of 38086738 is about 336.4531454419.

The spelling of 38086738 in words is "thirty-eight million, eighty-six thousand, seven hundred thirty-eight".