5039978 has 8 divisors (see below), whose sum is σ = 7957920. Its totient is φ = 2387340.

The previous prime is 5039977. The next prime is 5039999. The reversal of 5039978 is 8799305.

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

It is not an unprimeable number, because it can be changed into a prime (5039971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66278 + ... + 66353.

It is an arithmetic number, because the mean of its divisors is an integer number (994740).

Almost surely, 2^5039978 is an apocalyptic number.

5039978 is a deficient number, since it is larger than the sum of its proper divisors (2917942).

5039978 is a wasteful number, since it uses less digits than its factorization.

5039978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132652.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 5039978 is about 2244.9895322696. The cubic root of 5039978 is about 171.4521281782.

The spelling of 5039978 in words is "five million, thirty-nine thousand, nine hundred seventy-eight".