4640049 has 12 divisors (see below), whose sum is σ = 6918912. Its totient is φ = 2993400.

The previous prime is 4640017. The next prime is 4640057. The reversal of 4640049 is 9400464.

It is not a de Polignac number, because 4640049 - 2⁵ = 4640017 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4640249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8037 + ... + 8594.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 2^4640049 is an apocalyptic number.

It is an amenable number.

4640049 is a deficient number, since it is larger than the sum of its proper divisors (2278863).

4640049 is a wasteful number, since it uses less digits than its factorization.

4640049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16668 (or 16665 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4640049 is about 2154.0772966632. The cubic root of 4640049 is about 166.7916054295.

The spelling of 4640049 in words is "four million, six hundred forty thousand, forty-nine".