38838436 has 24 divisors (see below), whose sum is σ = 83652800. Its totient is φ = 15364512.

The previous prime is 38838433. The next prime is 38838463. The reversal of 38838436 is 63483883.

It is a super-2 number, since 2×38838436² = 3016848221852192, which contains 22 as substring.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 38838392 and 38838401.

It is not an unprimeable number, because it can be changed into a prime (38838431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52986 + ... + 53713.

Almost surely, 2^38838436 is an apocalyptic number.

It is an amenable number.

38838436 is an abundant number, since it is smaller than the sum of its proper divisors (44814364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38838436 is a wasteful number, since it uses less digits than its factorization.

38838436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106723 (or 106721 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 38838436 is about 6232.0491012186. The cubic root of 38838436 is about 338.6522075343.

The spelling of 38838436 in words is "thirty-eight million, eight hundred thirty-eight thousand, four hundred thirty-six".