4645918 has 16 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 2177496.

The previous prime is 4645909. The next prime is 4645919. The reversal of 4645918 is 8195464.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645919) 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 7 ways as a sum of consecutive naturals, for example, 3321 + ... + 4507.

It is an arithmetic number, because the mean of its divisors is an integer number (463320).

Almost surely, 2^4645918 is an apocalyptic number.

4645918 is a deficient number, since it is larger than the sum of its proper divisors (2767202).

4645918 is a wasteful number, since it uses less digits than its factorization.

4645918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311.

The product of its digits is 34560, while the sum is 37.

The square root of 4645918 is about 2155.4391663881. The cubic root of 4645918 is about 166.8618983294.

The spelling of 4645918 in words is "four million, six hundred forty-five thousand, nine hundred eighteen".