38821452 has 12 divisors (see below), whose sum is σ = 90583416. Its totient is φ = 12940480.

The previous prime is 38821429. The next prime is 38821477. The reversal of 38821452 is 25412883.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617549 + ... + 1617572.

It is an arithmetic number, because the mean of its divisors is an integer number (7548618).

Almost surely, 2^38821452 is an apocalyptic number.

It is an amenable number.

38821452 is an abundant number, since it is smaller than the sum of its proper divisors (51761964).

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

38821452 is a wasteful number, since it uses less digits than its factorization.

38821452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235128 (or 3235126 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 38821452 is about 6230.6863185367. The cubic root of 38821452 is about 338.6028362732.

The spelling of 38821452 in words is "thirty-eight million, eight hundred twenty-one thousand, four hundred fifty-two".