4998578 has 32 divisors (see below), whose sum is σ = 8781696. Its totient is φ = 2112768.

The previous prime is 4998571. The next prime is 4998583. The reversal of 4998578 is 8758994.

4998578 = T₄₁₇ + T₄₁₈ + ... + T₄₆₇.

It is a d-powerful number, because it can be written as 4¹¹ + 9⁴ + 9⁶ + 8⁴ + 5² + 7 + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18875 + ... + 19137.

It is an arithmetic number, because the mean of its divisors is an integer number (274428).

Almost surely, 2^4998578 is an apocalyptic number.

4998578 is a deficient number, since it is larger than the sum of its proper divisors (3783118).

4998578 is a wasteful number, since it uses less digits than its factorization.

4998578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its digits is 725760, while the sum is 50.

The square root of 4998578 is about 2235.7499860226. The cubic root of 4998578 is about 170.9813825587.

The spelling of 4998578 in words is "four million, nine hundred ninety-eight thousand, five hundred seventy-eight".