38308940 has 48 divisors (see below), whose sum is σ = 85905120. Its totient is φ = 14307840.

The previous prime is 38308937. The next prime is 38308951. The reversal of 38308940 is 4980383.

It is a self number, because there is not a number n which added to its sum of digits gives 38308940.

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, 27050 + ... + 28430.

It is an arithmetic number, because the mean of its divisors is an integer number (1789690).

Almost surely, 2^38308940 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 38308940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42952560).

38308940 is an abundant number, since it is smaller than the sum of its proper divisors (47596180).

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

38308940 is a wasteful number, since it uses less digits than its factorization.

38308940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38308940 is about 6189.4216207979. The cubic root of 38308940 is about 337.1061780387.

The spelling of 38308940 in words is "thirty-eight million, three hundred eight thousand, nine hundred forty".