5317998 has 32 divisors (see below), whose sum is σ = 12263424. Its totient is φ = 1505952.

The previous prime is 5317997. The next prime is 5317999. The reversal of 5317998 is 8997135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5317997) and next prime (5317999).

It is a super-2 number, since 2×5317998² = 56562205456008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5317997) 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 in 15 ways as a sum of consecutive naturals, for example, 4836 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (383232).

Almost surely, 2^5317998 is an apocalyptic number.

5317998 is an abundant number, since it is smaller than the sum of its proper divisors (6945426).

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

5317998 is a wasteful number, since it uses less digits than its factorization.

5317998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

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

The square root of 5317998 is about 2306.0784895575. The cubic root of 5317998 is about 174.5484740935.

It can be divided in two parts, 5 and 317998, that added together give a triangular number (318003 = T₇₉₇).

The spelling of 5317998 in words is "five million, three hundred seventeen thousand, nine hundred ninety-eight".