988247 has 8 divisors (see below), whose sum is σ = 1120560. Its totient is φ = 864000.

The previous prime is 988243. The next prime is 988271. The reversal of 988247 is 742889.

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 988247 - 2² = 988243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 988247.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988247.

It is not an unprimeable number, because it can be changed into a prime (988243) 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 7 ways as a sum of consecutive naturals, for example, 1754 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (140070).

2⁹⁸⁸²⁴⁷ is an apocalyptic number.

988247 is a deficient number, since it is larger than the sum of its proper divisors (132313).

988247 is a wasteful number, since it uses less digits than its factorization.

988247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its digits is 32256, while the sum is 38.

The square root of 988247 is about 994.1061311550. The cubic root of 988247 is about 99.6066884215.

It can be divided in two parts, 988 and 247, that multiplied together give a square (244036 = 494²).

The spelling of 988247 in words is "nine hundred eighty-eight thousand, two hundred forty-seven".