38304644 has 24 divisors (see below), whose sum is σ = 76859328. Its totient is φ = 16362720.

The previous prime is 38304613. The next prime is 38304649. The reversal of 38304644 is 44640383.

It is a self number, because there is not a number n which added to its sum of digits gives 38304644.

It is not an unprimeable number, because it can be changed into a prime (38304649) 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, 7202 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (3202472).

Almost surely, 2^38304644 is an apocalyptic number.

It is an amenable number.

38304644 is an abundant number, since it is smaller than the sum of its proper divisors (38554684).

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

38304644 is a wasteful number, since it uses less digits than its factorization.

38304644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 38304644 is about 6189.0745673323. The cubic root of 38304644 is about 337.0935764346.

The spelling of 38304644 in words is "thirty-eight million, three hundred four thousand, six hundred forty-four".