4118649 has 12 divisors (see below), whose sum is σ = 5797296. Its totient is φ = 2600568.

The previous prime is 4118627. The next prime is 4118693. The reversal of 4118649 is 9468114.

It is not a de Polignac number, because 4118649 - 2¹⁶ = 4053113 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4118749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (483108).

Almost surely, 2^4118649 is an apocalyptic number.

It is an amenable number.

4118649 is a deficient number, since it is larger than the sum of its proper divisors (1678647).

4118649 is a wasteful number, since it uses less digits than its factorization.

4118649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3825 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 4118649 is about 2029.4454907684. The cubic root of 4118649 is about 160.2943669477.

The spelling of 4118649 in words is "four million, one hundred eighteen thousand, six hundred forty-nine".