38189142 has 12 divisors (see below), whose sum is σ = 82743180. Its totient is φ = 12729708.

The previous prime is 38189119. The next prime is 38189149. The reversal of 38189142 is 24198183.

It is a junction number, because it is equal to n+sod(n) for n = 38189097 and 38189106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38189149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1060792 + ... + 1060827.

It is an arithmetic number, because the mean of its divisors is an integer number (6895265).

Almost surely, 2^38189142 is an apocalyptic number.

38189142 is an abundant number, since it is smaller than the sum of its proper divisors (44554038).

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

38189142 is a wasteful number, since it uses less digits than its factorization.

38189142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121627 (or 2121624 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 38189142 is about 6179.7364021453. The cubic root of 38189142 is about 336.7544166695.

The spelling of 38189142 in words is "thirty-eight million, one hundred eighty-nine thousand, one hundred forty-two".