5491805 has 16 divisors (see below), whose sum is σ = 7423488. Its totient is φ = 3864000.

The previous prime is 5491793. The next prime is 5491813. The reversal of 5491805 is 5081945.

5491805 = T₁₄₄ + T₁₄₅ + ... + T₃₂₉.

It is not a de Polignac number, because 5491805 - 2¹⁰ = 5490781 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 95 + ... + 3315.

It is an arithmetic number, because the mean of its divisors is an integer number (463968).

Almost surely, 2^5491805 is an apocalyptic number.

5491805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5491805 is a deficient number, since it is larger than the sum of its proper divisors (1931683).

5491805 is a wasteful number, since it uses less digits than its factorization.

5491805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5491805 is about 2343.4600487314. The cubic root of 5491805 is about 176.4297028703.

The spelling of 5491805 in words is "five million, four hundred ninety-one thousand, eight hundred five".