38678912 has 32 divisors (see below), whose sum is σ = 79147920. Its totient is φ = 18814464.

The previous prime is 38678911. The next prime is 38678921. The reversal of 38678912 is 21987683.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 8819.

Almost surely, 2^38678912 is an apocalyptic number.

38678912 is a gapful number since it is divisible by the number (32) 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 38678912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39573960).

38678912 is an abundant number, since it is smaller than the sum of its proper divisors (40469008).

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

38678912 is an equidigital number, since it uses as much as digits as its factorization.

38678912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218 (or 8206 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 38678912 is about 6219.2372522682. The cubic root of 38678912 is about 338.1879141349.

The spelling of 38678912 in words is "thirty-eight million, six hundred seventy-eight thousand, nine hundred twelve".