38142318 has 32 divisors (see below), whose sum is σ = 77801472. Its totient is φ = 12464000.

The previous prime is 38142289. The next prime is 38142331. The reversal of 38142318 is 81324183.

It is a congruent number.

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, 94918 + ... + 95318.

It is an arithmetic number, because the mean of its divisors is an integer number (2431296).

Almost surely, 2^38142318 is an apocalyptic number.

38142318 is an abundant number, since it is smaller than the sum of its proper divisors (39659154).

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

38142318 is a wasteful number, since it uses less digits than its factorization.

38142318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

The product of its digits is 4608, while the sum is 30.

The square root of 38142318 is about 6175.9467290449. The cubic root of 38142318 is about 336.6167279891.

The spelling of 38142318 in words is "thirty-eight million, one hundred forty-two thousand, three hundred eighteen".