38554990 has 16 divisors (see below), whose sum is σ = 73051920. Its totient is φ = 14610240.

The previous prime is 38554973. The next prime is 38555017. The reversal of 38554990 is 9945583.

It is a happy number.

38554990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 101271 + ... + 101650.

It is an arithmetic number, because the mean of its divisors is an integer number (4565745).

Almost surely, 2^38554990 is an apocalyptic number.

38554990 is a deficient number, since it is larger than the sum of its proper divisors (34496930).

38554990 is a wasteful number, since it uses less digits than its factorization.

38554990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202947.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 38554990 is about 6209.2664623126. The cubic root of 38554990 is about 337.8263582965.

The spelling of 38554990 in words is "thirty-eight million, five hundred fifty-four thousand, nine hundred ninety".