5681946 has 16 divisors (see below), whose sum is σ = 11402208. Its totient is φ = 1887600.

The previous prime is 5681939. The next prime is 5681947. The reversal of 5681946 is 6491865.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5681947) 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, 556 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (712638).

Almost surely, 2^5681946 is an apocalyptic number.

5681946 is an abundant number, since it is smaller than the sum of its proper divisors (5720262).

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

5681946 is a wasteful number, since it uses less digits than its factorization.

5681946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197.

The product of its digits is 51840, while the sum is 39.

The square root of 5681946 is about 2383.6832843312. The cubic root of 5681946 is about 178.4428019389.

It can be divided in two parts, 56819 and 46, that added together give a palindrome (56865).

The spelling of 5681946 in words is "five million, six hundred eighty-one thousand, nine hundred forty-six".