5198378 has 4 divisors (see below), whose sum is σ = 7797570. Its totient is φ = 2599188.

The previous prime is 5198377. The next prime is 5198387. The reversal of 5198378 is 8738915.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8738915 = 5 ⋅1747783.

It can be written as a sum of positive squares in only one way, i.e., 5094049 + 104329 = 2257^2 + 323^2 .

It is not an unprimeable number, because it can be changed into a prime (5198371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299593 + ... + 1299596.

Almost surely, 2^5198378 is an apocalyptic number.

5198378 is a deficient number, since it is larger than the sum of its proper divisors (2599192).

5198378 is a wasteful number, since it uses less digits than its factorization.

5198378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599191.

The product of its digits is 60480, while the sum is 41.

The square root of 5198378 is about 2279.9951754335. The cubic root of 5198378 is about 173.2298058638.

The spelling of 5198378 in words is "five million, one hundred ninety-eight thousand, three hundred seventy-eight".