5071998 has 8 divisors (see below), whose sum is σ = 10144008. Its totient is φ = 1690664.

The previous prime is 5071973. The next prime is 5072057. The reversal of 5071998 is 8991705.

It is a happy number.

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

5071998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 422661 + ... + 422672.

It is an arithmetic number, because the mean of its divisors is an integer number (1268001).

Almost surely, 2^5071998 is an apocalyptic number.

5071998 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.

5071998 is a wasteful number, since it uses less digits than its factorization.

5071998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845338.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 5071998 is about 2252.1096776134. The cubic root of 5071998 is about 171.8144519730.

The spelling of 5071998 in words is "five million, seventy-one thousand, nine hundred ninety-eight".