38242842 has 32 divisors (see below), whose sum is σ = 84279744. Its totient is φ = 11472000.

The previous prime is 38242837. The next prime is 38242879. The reversal of 38242842 is 24824283.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3798 + ... + 9534.

It is an arithmetic number, because the mean of its divisors is an integer number (2633742).

Almost surely, 2^38242842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38242842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42139872).

38242842 is an abundant number, since it is smaller than the sum of its proper divisors (46036902).

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

38242842 is a wasteful number, since it uses less digits than its factorization.

38242842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854.

The product of its digits is 24576, while the sum is 33.

The square root of 38242842 is about 6184.0797213490. The cubic root of 38242842 is about 336.9121861440.

It can be divided in two parts, 3824 and 2842, that added together give a palindrome (6666).

The spelling of 38242842 in words is "thirty-eight million, two hundred forty-two thousand, eight hundred forty-two".