38948840 has 64 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 13224960.

The previous prime is 38948831. The next prime is 38948843. The reversal of 38948840 is 4884983.

38948840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38948791 and 38948800.

It is not an unprimeable number, because it can be changed into a prime (38948843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31025 + ... + 32255.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^38948840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38948840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50561280).

38948840 is an abundant number, since it is smaller than the sum of its proper divisors (62173720).

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

38948840 is a wasteful number, since it uses less digits than its factorization.

38948840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 38948840 is about 6240.9005760387. The cubic root of 38948840 is about 338.9727936213.

The spelling of 38948840 in words is "thirty-eight million, nine hundred forty-eight thousand, eight hundred forty".