5681910 has 64 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 1314816.

The previous prime is 5681899. The next prime is 5681911. The reversal of 5681910 is 191865.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6202 + ... + 7058.

It is an arithmetic number, because the mean of its divisors is an integer number (243243).

Almost surely, 2^5681910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7783776).

5681910 is an abundant number, since it is smaller than the sum of its proper divisors (9885642).

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

5681910 is a wasteful number, since it uses less digits than its factorization.

5681910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 5681910 is about 2383.6757329805. The cubic root of 5681910 is about 178.4424250754.

The spelling of 5681910 in words is "five million, six hundred eighty-one thousand, nine hundred ten".