4198578 has 16 divisors (see below), whose sum is σ = 8668416. Its totient is φ = 1354320.

The previous prime is 4198577. The next prime is 4198583. The reversal of 4198578 is 8758914.

It is a d-powerful number, because it can be written as 4¹¹ + 1 + 9² + 8² + 5² + 7 + 8⁴ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4198577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11101 + ... + 11472.

It is an arithmetic number, because the mean of its divisors is an integer number (541776).

Almost surely, 2^4198578 is an apocalyptic number.

4198578 is an abundant number, since it is smaller than the sum of its proper divisors (4469838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4198578 is a wasteful number, since it uses less digits than its factorization.

4198578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22609.

The product of its digits is 80640, while the sum is 42.

The square root of 4198578 is about 2049.0431913457. The cubic root of 4198578 is about 161.3246538524.

The spelling of 4198578 in words is "four million, one hundred ninety-eight thousand, five hundred seventy-eight".