4640408 has 16 divisors (see below), whose sum is σ = 9159000. Its totient is φ = 2198016.

The previous prime is 4640401. The next prime is 4640417. The reversal of 4640408 is 8040464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640401) 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 3 ways as a sum of consecutive naturals, for example, 15113 + ... + 15416.

Almost surely, 2^4640408 is an apocalyptic number.

It is an amenable number.

4640408 is a deficient number, since it is larger than the sum of its proper divisors (4518592).

4640408 is a wasteful number, since it uses less digits than its factorization.

4640408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30554 (or 30550 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4640408 is about 2154.1606253945. The cubic root of 4640408 is about 166.7959068670.

The spelling of 4640408 in words is "four million, six hundred forty thousand, four hundred eight".