38846418 has 32 divisors (see below), whose sum is σ = 84514752. Its totient is φ = 11832000.

The previous prime is 38846417. The next prime is 38846419. The reversal of 38846418 is 81464883.

It is an interprime number because it is at equal distance from previous prime (38846417) and next prime (38846419).

It is a self number, because there is not a number n which added to its sum of digits gives 38846418.

It is not an unprimeable number, because it can be changed into a prime (38846413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5413 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (2641086).

Almost surely, 2^38846418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38846418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42257376).

38846418 is an abundant number, since it is smaller than the sum of its proper divisors (45668334).

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

38846418 is a wasteful number, since it uses less digits than its factorization.

38846418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050.

The product of its digits is 147456, while the sum is 42.

The square root of 38846418 is about 6232.6894676375. The cubic root of 38846418 is about 338.6754056600.

The spelling of 38846418 in words is "thirty-eight million, eight hundred forty-six thousand, four hundred eighteen".