38743908 has 48 divisors (see below), whose sum is σ = 105436800. Its totient is φ = 11068512.

The previous prime is 38743877. The next prime is 38743909. The reversal of 38743908 is 80934783.

It is a super-2 number, since 2×38743908² = 3002180814224928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 38743908.

It is not an unprimeable number, because it can be changed into a prime (38743909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591 + ... + 8822.

It is an arithmetic number, because the mean of its divisors is an integer number (2196600).

Almost surely, 2^38743908 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 38743908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52718400).

38743908 is an abundant number, since it is smaller than the sum of its proper divisors (66692892).

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

38743908 is a wasteful number, since it uses less digits than its factorization.

38743908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441 (or 9425 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38743908 is about 6224.4604585458. The cubic root of 38743908 is about 338.3772383239.

The spelling of 38743908 in words is "thirty-eight million, seven hundred forty-three thousand, nine hundred eight".