4491560 has 16 divisors (see below), whose sum is σ = 10106100. Its totient is φ = 1796608.

The previous prime is 4491551. The next prime is 4491569. The reversal of 4491560 is 651944.

It is an interprime number because it is at equal distance from previous prime (4491551) and next prime (4491569).

It can be written as a sum of positive squares in 2 ways, for example, as 4104676 + 386884 = 2026^2 + 622^2 .

It is a super-2 number, since 2×4491560² = 40348222467200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4491569) 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 in 3 ways as a sum of consecutive naturals, for example, 56105 + ... + 56184.

Almost surely, 2^4491560 is an apocalyptic number.

4491560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4491560 is an abundant number, since it is smaller than the sum of its proper divisors (5614540).

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

4491560 is a wasteful number, since it uses less digits than its factorization.

4491560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112300 (or 112296 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4491560 is about 2119.3300828328. The cubic root of 4491560 is about 164.9930820485.

The spelling of 4491560 in words is "four million, four hundred ninety-one thousand, five hundred sixty".