5791816 has 8 divisors (see below), whose sum is σ = 10859670. Its totient is φ = 2895904.

The previous prime is 5791813. The next prime is 5791817. The reversal of 5791816 is 6181975.

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 729316 = 2250^2 + 854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5791811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361981 + ... + 361996.

Almost surely, 2^5791816 is an apocalyptic number.

It is an amenable number.

5791816 is a deficient number, since it is larger than the sum of its proper divisors (5067854).

5791816 is a wasteful number, since it uses less digits than its factorization.

5791816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723983 (or 723979 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 5791816 is about 2406.6192054415. The cubic root of 5791816 is about 179.5856311969.

The spelling of 5791816 in words is "five million, seven hundred ninety-one thousand, eight hundred sixteen".