988351 has 8 divisors (see below), whose sum is σ = 1216544. Its totient is φ = 781920.

The previous prime is 988343. The next prime is 988357. The reversal of 988351 is 153889.

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

It is a cyclic number.

It is not a de Polignac number, because 988351 - 2³ = 988343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988357) 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 7 ways as a sum of consecutive naturals, for example, 5340 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (152068).

2⁹⁸⁸³⁵¹ is an apocalyptic number.

988351 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

988351 is a deficient number, since it is larger than the sum of its proper divisors (228193).

988351 is a wasteful number, since it uses less digits than its factorization.

988351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881.

The product of its digits is 8640, while the sum is 34.

The square root of 988351 is about 994.1584380772. The cubic root of 988351 is about 99.6101823969.

The spelling of 988351 in words is "nine hundred eighty-eight thousand, three hundred fifty-one".