38284649 has 8 divisors (see below), whose sum is σ = 42107520. Its totient is φ = 34587216.

The previous prime is 38284633. The next prime is 38284651. The reversal of 38284649 is 94648283.

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

It is a cyclic number.

It is not a de Polignac number, because 38284649 - 2⁴ = 38284633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38286649) by changing a digit.

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, 30719 + ... + 31940.

It is an arithmetic number, because the mean of its divisors is an integer number (5263440).

Almost surely, 2^38284649 is an apocalyptic number.

It is an amenable number.

38284649 is a deficient number, since it is larger than the sum of its proper divisors (3822871).

38284649 is a wasteful number, since it uses less digits than its factorization.

38284649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62719.

The product of its digits is 331776, while the sum is 44.

The square root of 38284649 is about 6187.4590099652. The cubic root of 38284649 is about 337.0349120144.

The spelling of 38284649 in words is "thirty-eight million, two hundred eighty-four thousand, six hundred forty-nine".