38641684 has 6 divisors (see below), whose sum is σ = 67622954. Its totient is φ = 19320840.

The previous prime is 38641667. The next prime is 38641693. The reversal of 38641684 is 48614683.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 2039184 = 6050^2 + 1428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830207 + ... + 4830214.

Almost surely, 2^38641684 is an apocalyptic number.

It is an amenable number.

38641684 is a deficient number, since it is larger than the sum of its proper divisors (28981270).

38641684 is a wasteful number, since it uses less digits than its factorization.

38641684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660425 (or 9660423 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 38641684 is about 6216.2435602219. The cubic root of 38641684 is about 338.0793786700.

The spelling of 38641684 in words is "thirty-eight million, six hundred forty-one thousand, six hundred eighty-four".