38536839 has 24 divisors (see below), whose sum is σ = 61366032. Its totient is φ = 23109120.

The previous prime is 38536837. The next prime is 38536847. The reversal of 38536839 is 93863583.

38536839 is a `hidden beast` number, since 38 + 536 + 83 + 9 = 666.

It is not a de Polignac number, because 38536839 - 2¹ = 38536837 is a prime.

It is a super-2 number, since 2×38536839² = 2970175920223842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38536794 and 38536803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38536837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7597 + ... + 11609.

It is an arithmetic number, because the mean of its divisors is an integer number (2556918).

Almost surely, 2^38536839 is an apocalyptic number.

38536839 is a deficient number, since it is larger than the sum of its proper divisors (22829193).

38536839 is a wasteful number, since it uses less digits than its factorization.

38536839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127 (or 4124 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 38536839 is about 6207.8046844275. The cubic root of 38536839 is about 337.7733357717.

The spelling of 38536839 in words is "thirty-eight million, five hundred thirty-six thousand, eight hundred thirty-nine".