988365 has 16 divisors (see below), whose sum is σ = 1807488. Its totient is φ = 451776.

The previous prime is 988357. The next prime is 988367. The reversal of 988365 is 563889.

It is not a de Polignac number, because 988365 - 2³ = 988357 is a prime.

It is a Curzon number.

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 988365.

It is not an unprimeable number, because it can be changed into a prime (988367) 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, 4602 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (112968).

2⁹⁸⁸³⁶⁵ is an apocalyptic number.

It is an amenable number.

988365 is a deficient number, since it is larger than the sum of its proper divisors (819123).

988365 is a wasteful number, since it uses less digits than its factorization.

988365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428.

The product of its digits is 51840, while the sum is 39.

The square root of 988365 is about 994.1654791834. The cubic root of 988365 is about 99.6106527210.

The spelling of 988365 in words is "nine hundred eighty-eight thousand, three hundred sixty-five".