4578338 has 18 divisors (see below), whose sum is σ = 7378131. Its totient is φ = 2130304.

The previous prime is 4578313. The next prime is 4578361. The reversal of 4578338 is 8338754.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2122849 + 2455489 = 1457^2 + 1567^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1513.

It is a super-2 number, since 2×4578338² = 41922357684488, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51398 + ... + 51486.

Almost surely, 2^4578338 is an apocalyptic number.

4578338 is a deficient number, since it is larger than the sum of its proper divisors (2799793).

4578338 is an equidigital number, since it uses as much as digits as its factorization.

4578338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 108 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 4578338 is about 2139.7051198705. The cubic root of 4578338 is about 166.0488799782.

The spelling of 4578338 in words is "four million, five hundred seventy-eight thousand, three hundred thirty-eight".