5581974 has 16 divisors (see below), whose sum is σ = 11264112. Its totient is φ = 1843968.

The previous prime is 5581973. The next prime is 5582009. The reversal of 5581974 is 4791855.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581973) 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, 3439 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (704007).

Almost surely, 2^5581974 is an apocalyptic number.

5581974 is an abundant number, since it is smaller than the sum of its proper divisors (5682138).

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

5581974 is a wasteful number, since it uses less digits than its factorization.

5581974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351.

The product of its digits is 50400, while the sum is 39.

The square root of 5581974 is about 2362.6201556746. The cubic root of 5581974 is about 177.3900555666.

It can be divided in two parts, 5581 and 974, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 5581974 in words is "five million, five hundred eighty-one thousand, nine hundred seventy-four".