38744992 has 48 divisors (see below), whose sum is σ = 89625312. Its totient is φ = 16254720.

The previous prime is 38744977. The next prime is 38745011. The reversal of 38744992 is 29944783.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (1867194).

Almost surely, 2^38744992 is an apocalyptic number.

38744992 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 38744992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44812656).

38744992 is an abundant number, since it is smaller than the sum of its proper divisors (50880320).

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

38744992 is a wasteful number, since it uses less digits than its factorization.

38744992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501 (or 8493 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 38744992 is about 6224.5475337570. The cubic root of 38744992 is about 338.3803940674.

The spelling of 38744992 in words is "thirty-eight million, seven hundred forty-four thousand, nine hundred ninety-two".