4161278 has 8 divisors (see below), whose sum is σ = 6809400. Its totient is φ = 1891480.

The previous prime is 4161271. The next prime is 4161299. The reversal of 4161278 is 8721614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4161278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94553 + ... + 94596.

It is an arithmetic number, because the mean of its divisors is an integer number (851175).

Almost surely, 2^4161278 is an apocalyptic number.

4161278 is a deficient number, since it is larger than the sum of its proper divisors (2648122).

4161278 is a wasteful number, since it uses less digits than its factorization.

4161278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189162.

The product of its digits is 2688, while the sum is 29.

The square root of 4161278 is about 2039.9210769047. The cubic root of 4161278 is about 160.8454981686.

The spelling of 4161278 in words is "four million, one hundred sixty-one thousand, two hundred seventy-eight".