38869684 has 48 divisors (see below), whose sum is σ = 84575232. Its totient is φ = 15247872.

The previous prime is 38869651. The next prime is 38869703. The reversal of 38869684 is 48696883.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16509 + ... + 18715.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 2^38869684 is an apocalyptic number.

38869684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38869684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42287616).

38869684 is an abundant number, since it is smaller than the sum of its proper divisors (45705548).

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

38869684 is a wasteful number, since it uses less digits than its factorization.

38869684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2270 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 38869684 is about 6234.5556377339. Note that the first 3 decimals coincide. The cubic root of 38869684 is about 338.7430056244.

The spelling of 38869684 in words is "thirty-eight million, eight hundred sixty-nine thousand, six hundred eighty-four".