38943960 has 128 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 9331200.

The previous prime is 38943959. The next prime is 38943979. The reversal of 38943960 is 6934983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215070 + ... + 215250.

It is an arithmetic number, because the mean of its divisors is an integer number (1007370).

Almost surely, 2^38943960 is an apocalyptic number.

38943960 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 38943960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64471680).

38943960 is an abundant number, since it is smaller than the sum of its proper divisors (89999400).

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

38943960 is a wasteful number, since it uses less digits than its factorization.

38943960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 38943960 is about 6240.5095945764. The cubic root of 38943960 is about 338.9586361066.

It can be divided in two parts, 38943 and 960, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 38943960 in words is "thirty-eight million, nine hundred forty-three thousand, nine hundred sixty".