38128422 has 16 divisors (see below), whose sum is σ = 76380480. Its totient is φ = 12688872.

The previous prime is 38128403. The next prime is 38128423. The reversal of 38128422 is 22482183.

It is a self number, because there is not a number n which added to its sum of digits gives 38128422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38128423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (4773780).

Almost surely, 2^38128422 is an apocalyptic number.

38128422 is an abundant number, since it is smaller than the sum of its proper divisors (38252058).

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

38128422 is a wasteful number, since it uses less digits than its factorization.

38128422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307.

The product of its digits is 6144, while the sum is 30.

The square root of 38128422 is about 6174.8216168566. The cubic root of 38128422 is about 336.5758443157.

The spelling of 38128422 in words is "thirty-eight million, one hundred twenty-eight thousand, four hundred twenty-two".