4945418 has 8 divisors (see below), whose sum is σ = 7453920. Its totient is φ = 2460780.

The previous prime is 4945411. The next prime is 4945469. The reversal of 4945418 is 8145494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4945411) 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, 5438 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (931740).

Almost surely, 2^4945418 is an apocalyptic number.

4945418 is a deficient number, since it is larger than the sum of its proper divisors (2508502).

4945418 is a wasteful number, since it uses less digits than its factorization.

4945418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932.

The product of its digits is 23040, while the sum is 35.

The square root of 4945418 is about 2223.8295798015. The cubic root of 4945418 is about 170.3730906320.

The spelling of 4945418 in words is "four million, nine hundred forty-five thousand, four hundred eighteen".