988455 has 32 divisors (see below), whose sum is σ = 1761984. Its totient is φ = 470016.

The previous prime is 988453. The next prime is 988459. The reversal of 988455 is 554889.

It is not a de Polignac number, because 988455 - 2¹ = 988453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988453) 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 31 ways as a sum of consecutive naturals, for example, 7147 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (55062).

2⁹⁸⁸⁴⁵⁵ is an apocalyptic number.

988455 is a deficient number, since it is larger than the sum of its proper divisors (773529).

988455 is a wasteful number, since it uses less digits than its factorization.

988455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its digits is 57600, while the sum is 39.

The square root of 988455 is about 994.2107422473. The cubic root of 988455 is about 99.6136761272.

The spelling of 988455 in words is "nine hundred eighty-eight thousand, four hundred fifty-five".