8681478 has 16 divisors (see below), whose sum is σ = 18698736. Its totient is φ = 2671200.

The previous prime is 8681473. The next prime is 8681483. The reversal of 8681478 is 8741868.

It is an interprime number because it is at equal distance from previous prime (8681473) and next prime (8681483).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681473) 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, 55573 + ... + 55728.

It is an arithmetic number, because the mean of its divisors is an integer number (1168671).

Almost surely, 2^8681478 is an apocalyptic number.

8681478 is an abundant number, since it is smaller than the sum of its proper divisors (10017258).

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

8681478 is a wasteful number, since it uses less digits than its factorization.

8681478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111319.

The product of its digits is 86016, while the sum is 42.

The square root of 8681478 is about 2946.4347947986. The cubic root of 8681478 is about 205.5249524226.

It can be divided in two parts, 868 and 1478, that added together give a triangular number (2346 = T₆₈).

The spelling of 8681478 in words is "eight million, six hundred eighty-one thousand, four hundred seventy-eight".