4578026 has 4 divisors (see below), whose sum is σ = 6867042. Its totient is φ = 2289012.

The previous prime is 4578023. The next prime is 4578029. The reversal of 4578026 is 6208754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6208754 = 2 ⋅3104377.

It is an interprime number because it is at equal distance from previous prime (4578023) and next prime (4578029).

It can be written as a sum of positive squares in only one way, i.e., 4405801 + 172225 = 2099^2 + 415^2 .

It is a d-powerful number, because it can be written as 4⁵ + 5⁹ + 7⁴ + 8⁷ + 0 + 2¹⁹ + 6² .

It is a junction number, because it is equal to n+sod(n) for n = 4577983 and 4578001.

It is not an unprimeable number, because it can be changed into a prime (4578023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144505 + ... + 1144508.

Almost surely, 2^4578026 is an apocalyptic number.

4578026 is a deficient number, since it is larger than the sum of its proper divisors (2289016).

4578026 is a wasteful number, since it uses less digits than its factorization.

4578026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289015.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4578026 is about 2139.6322113859. The cubic root of 4578026 is about 166.0451079815.

The spelling of 4578026 in words is "four million, five hundred seventy-eight thousand, twenty-six".