38348520 has 128 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 8628480.

The previous prime is 38348509. The next prime is 38348537. The reversal of 38348520 is 2584383.

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 31 ways as a sum of consecutive naturals, for example, 59319 + ... + 59961.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^38348520 is an apocalyptic number.

38348520 is a gapful number since it is divisible by the number (30) 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 38348520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66769920).

38348520 is an abundant number, since it is smaller than the sum of its proper divisors (95191320).

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

38348520 is a wasteful number, since it uses less digits than its factorization.

38348520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 38348520 is about 6192.6181861956. The cubic root of 38348520 is about 337.2222351091. Note that the first 4 decimals are identical.

The spelling of 38348520 in words is "thirty-eight million, three hundred forty-eight thousand, five hundred twenty".