4161378 has 32 divisors (see below), whose sum is σ = 9257472. Its totient is φ = 1238400.

The previous prime is 4161349. The next prime is 4161389. The reversal of 4161378 is 8731614.

It is a happy 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, 1558 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (289296).

Almost surely, 2^4161378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4161378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4628736).

4161378 is an abundant number, since it is smaller than the sum of its proper divisors (5096094).

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

4161378 is a wasteful number, since it uses less digits than its factorization.

4161378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its digits is 4032, while the sum is 30.

The square root of 4161378 is about 2039.9455875096. The cubic root of 4161378 is about 160.8467865886.

The spelling of 4161378 in words is "four million, one hundred sixty-one thousand, three hundred seventy-eight".