5681478 has 16 divisors (see below), whose sum is σ = 12396096. Its totient is φ = 1721640.

The previous prime is 5681471. The next prime is 5681497. The reversal of 5681478 is 8741865.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42976 + ... + 43107.

It is an arithmetic number, because the mean of its divisors is an integer number (774756).

Almost surely, 2^5681478 is an apocalyptic number.

5681478 is an abundant number, since it is smaller than the sum of its proper divisors (6714618).

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

5681478 is a wasteful number, since it uses less digits than its factorization.

5681478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86099.

The product of its digits is 53760, while the sum is 39.

The square root of 5681478 is about 2383.5851149057. The cubic root of 5681478 is about 178.4379025891.

The spelling of 5681478 in words is "five million, six hundred eighty-one thousand, four hundred seventy-eight".