38818452 has 12 divisors (see below), whose sum is σ = 90576416. Its totient is φ = 12939480.

The previous prime is 38818447. The next prime is 38818453. The reversal of 38818452 is 25481883.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 38818452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38818453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617424 + ... + 1617447.

Almost surely, 2^38818452 is an apocalyptic number.

It is an amenable number.

38818452 is an abundant number, since it is smaller than the sum of its proper divisors (51757964).

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

38818452 is a wasteful number, since it uses less digits than its factorization.

38818452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234878 (or 3234876 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 38818452 is about 6230.4455699412. The cubic root of 38818452 is about 338.5941139936.

The spelling of 38818452 in words is "thirty-eight million, eight hundred eighteen thousand, four hundred fifty-two".