38214440 has 32 divisors (see below), whose sum is σ = 93800160. Its totient is φ = 13896000.

The previous prime is 38214361. The next prime is 38214467. The reversal of 38214440 is 4441283.

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 7 ways as a sum of consecutive naturals, for example, 42986 + ... + 43865.

It is an arithmetic number, because the mean of its divisors is an integer number (2931255).

Almost surely, 2^38214440 is an apocalyptic number.

It is an amenable number.

38214440 is an abundant number, since it is smaller than the sum of its proper divisors (55585720).

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

38214440 is a wasteful number, since it uses less digits than its factorization.

38214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86873 (or 86869 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 38214440 is about 6181.7829143379. The cubic root of 38214440 is about 336.8287600764.

The spelling of 38214440 in words is "thirty-eight million, two hundred fourteen thousand, four hundred forty".