38900445 has 8 divisors (see below), whose sum is σ = 62240736. Its totient is φ = 20746896.

The previous prime is 38900441. The next prime is 38900447. The reversal of 38900445 is 54400983.

38900445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38900445 - 2² = 38900441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38900441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296667 + ... + 1296696.

It is an arithmetic number, because the mean of its divisors is an integer number (7780092).

Almost surely, 2^38900445 is an apocalyptic number.

It is an amenable number.

38900445 is a deficient number, since it is larger than the sum of its proper divisors (23340291).

38900445 is a wasteful number, since it uses less digits than its factorization.

38900445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593371.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 38900445 is about 6237.0221259829. The cubic root of 38900445 is about 338.8323411078.

The spelling of 38900445 in words is "thirty-eight million, nine hundred thousand, four hundred forty-five".