38112340 has 24 divisors (see below), whose sum is σ = 91469952. Its totient is φ = 13067040.

The previous prime is 38112313. The next prime is 38112343. The reversal of 38112340 is 4321183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38112343) 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, 135976 + ... + 136255.

It is an arithmetic number, because the mean of its divisors is an integer number (3811248).

Almost surely, 2^38112340 is an apocalyptic number.

It is an amenable number.

38112340 is an abundant number, since it is smaller than the sum of its proper divisors (53357612).

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

38112340 is a wasteful number, since it uses less digits than its factorization.

38112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272247 (or 272245 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 38112340 is about 6173.5192556596. The cubic root of 38112340 is about 336.5285167699.

It can be divided in two parts, 381 and 12340, that added together give a palindrome (12721).

The spelling of 38112340 in words is "thirty-eight million, one hundred twelve thousand, three hundred forty".