5491612 has 48 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 2172672.

The previous prime is 5491609. The next prime is 5491613. The reversal of 5491612 is 2161945.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491613) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39439 + ... + 39577.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

Almost surely, 2^5491612 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 5491612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5927040).

5491612 is an abundant number, since it is smaller than the sum of its proper divisors (6362468).

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

5491612 is a wasteful number, since it uses less digits than its factorization.

5491612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 5491612 is about 2343.4188699419. The cubic root of 5491612 is about 176.4276360737.

The spelling of 5491612 in words is "five million, four hundred ninety-one thousand, six hundred twelve".