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988321 is a prime number
BaseRepresentation
bin11110001010010100001
31212012201111
43301102201
5223111241
633103321
711254255
oct3612241
91765644
10988321
116155a4
123b7b41
13287b09
141ba265
15147c81
hexf14a1

988321 has 2 divisors, whose sum is σ = 988322. Its totient is φ = 988320.

The previous prime is 988319. The next prime is 988343. The reversal of 988321 is 123889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876096 + 112225 = 936^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 988321 - 21 = 988319 is a prime.

Together with 988319, it forms a pair of twin primes.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (988021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494160 + 494161.

It is an arithmetic number, because the mean of its divisors is an integer number (494161).

2988321 is an apocalyptic number.

It is an amenable number.

988321 is a deficient number, since it is larger than the sum of its proper divisors (1).

988321 is an equidigital number, since it uses as much as digits as its factorization.

988321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 988321 is about 994.1433498244. The cubic root of 988321 is about 99.6091745445.

The spelling of 988321 in words is "nine hundred eighty-eight thousand, three hundred twenty-one".