38173842 has 96 divisors (see below), whose sum is σ = 100464000. Its totient is φ = 10859184.

The previous prime is 38173841. The next prime is 38173847. The reversal of 38173842 is 24837183.

It is a junction number, because it is equal to n+sod(n) for n = 38173797 and 38173806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38173841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166584 + ... + 166812.

It is an arithmetic number, because the mean of its divisors is an integer number (1046500).

Almost surely, 2^38173842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38173842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50232000).

38173842 is an abundant number, since it is smaller than the sum of its proper divisors (62290158).

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

38173842 is an equidigital number, since it uses as much as digits as its factorization.

38173842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 241 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 38173842 is about 6178.4983612525. The cubic root of 38173842 is about 336.7094385201.

The spelling of 38173842 in words is "thirty-eight million, one hundred seventy-three thousand, eight hundred forty-two".