5178998 has 16 divisors (see below), whose sum is σ = 8536320. Its totient is φ = 2337000.

The previous prime is 5178991. The next prime is 5179019. The reversal of 5178998 is 8998715.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178991) 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, 2543 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^5178998 is an apocalyptic number.

5178998 is a deficient number, since it is larger than the sum of its proper divisors (3357322).

5178998 is a wasteful number, since it uses less digits than its factorization.

5178998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its digits is 181440, while the sum is 47.

The square root of 5178998 is about 2275.7411979397. The cubic root of 5178998 is about 173.0142659224.

The spelling of 5178998 in words is "five million, one hundred seventy-eight thousand, nine hundred ninety-eight".