4499866 has 48 divisors (see below), whose sum is σ = 8655336. Its totient is φ = 1741824.

The previous prime is 4499863. The next prime is 4499879. The reversal of 4499866 is 6689944.

4499866 = T₈ + T₉ + ... + T₂₉₉.

It can be written as a sum of positive squares in 4 ways, for example, as 4498641 + 1225 = 2121^2 + 35^2 .

It is a d-powerful number, because it can be written as 4⁷ + 4¹¹ + 9³ + 9³ + 8 + 6⁵ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (4499863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61606 + ... + 61678.

Almost surely, 2^4499866 is an apocalyptic number.

4499866 is a deficient number, since it is larger than the sum of its proper divisors (4155470).

4499866 is a wasteful number, since it uses less digits than its factorization.

4499866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 136 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 4499866 is about 2121.2887592216. The cubic root of 4499866 is about 165.0947236942.

The spelling of 4499866 in words is "four million, four hundred ninety-nine thousand, eight hundred sixty-six".