4181478 has 16 divisors (see below), whose sum is σ = 9557760. Its totient is φ = 1194696.

The previous prime is 4181461. The next prime is 4181479. The reversal of 4181478 is 8741814.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49738 + ... + 49821.

It is an arithmetic number, because the mean of its divisors is an integer number (597360).

Almost surely, 2^4181478 is an apocalyptic number.

4181478 is an abundant number, since it is smaller than the sum of its proper divisors (5376282).

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

4181478 is a wasteful number, since it uses less digits than its factorization.

4181478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99571.

The product of its digits is 7168, while the sum is 33.

The square root of 4181478 is about 2044.8662547952. The cubic root of 4181478 is about 161.1053410890.

It can be divided in two parts, 418147 and 8, that added together give a triangular number (418155 = T₉₁₄).

The spelling of 4181478 in words is "four million, one hundred eighty-one thousand, four hundred seventy-eight".