5491836 has 144 divisors (see below), whose sum is σ = 17704960. Its totient is φ = 1399680.

The previous prime is 5491819. The next prime is 5491841. The reversal of 5491836 is 6381945.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5491836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148410 + ... + 148446.

Almost surely, 2^5491836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5491836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8852480).

5491836 is an abundant number, since it is smaller than the sum of its proper divisors (12213124).

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

5491836 is a wasteful number, since it uses less digits than its factorization.

5491836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 99 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5491836 is about 2343.4666628736. The cubic root of 5491836 is about 176.4300348383.

The spelling of 5491836 in words is "five million, four hundred ninety-one thousand, eight hundred thirty-six".