439198 has 4 divisors (see below), whose sum is σ = 658800. Its totient is φ = 219598.

The previous prime is 439183. The next prime is 439199. The reversal of 439198 is 891934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891934 = 2 ⋅445967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439199) by changing a digit.

439198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109798 + ... + 109801.

It is an arithmetic number, because the mean of its divisors is an integer number (164700).

2⁴³⁹¹⁹⁸ is an apocalyptic number.

439198 is a deficient number, since it is larger than the sum of its proper divisors (219602).

439198 is a wasteful number, since it uses less digits than its factorization.

439198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219601.

The product of its digits is 7776, while the sum is 34.

The square root of 439198 is about 662.7201521004. The cubic root of 439198 is about 76.0128094752.

It can be divided in two parts, 4391 and 98, that added together give a square (4489 = 67²).

The spelling of 439198 in words is "four hundred thirty-nine thousand, one hundred ninety-eight".