5319978 has 8 divisors (see below), whose sum is σ = 10639968. Its totient is φ = 1773324.

The previous prime is 5319967. The next prime is 5319989. The reversal of 5319978 is 8799135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5319967) and next prime (5319989).

It is a sphenic number, since it is the product of 3 distinct primes.

5319978 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443326 + ... + 443337.

It is an arithmetic number, because the mean of its divisors is an integer number (1329996).

Almost surely, 2^5319978 is an apocalyptic number.

5319978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5319978 is a wasteful number, since it uses less digits than its factorization.

5319978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886668.

The product of its digits is 68040, while the sum is 42.

The square root of 5319978 is about 2306.5077498244. The cubic root of 5319978 is about 174.5701340675.

The spelling of 5319978 in words is "five million, three hundred nineteen thousand, nine hundred seventy-eight".