38340380 has 48 divisors (see below), whose sum is σ = 87212160. Its totient is φ = 14074368.

The previous prime is 38340373. The next prime is 38340427. The reversal of 38340380 is 8304383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61832 + ... + 62448.

It is an arithmetic number, because the mean of its divisors is an integer number (1816920).

Almost surely, 2^38340380 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 38340380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43606080).

38340380 is an abundant number, since it is smaller than the sum of its proper divisors (48871780).

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

38340380 is a wasteful number, since it uses less digits than its factorization.

38340380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 38340380 is about 6191.9609171893. The cubic root of 38340380 is about 337.1983734039.

The spelling of 38340380 in words is "thirty-eight million, three hundred forty thousand, three hundred eighty".