988240 has 40 divisors (see below), whose sum is σ = 2508768. Its totient is φ = 359040.

The previous prime is 988237. The next prime is 988243. The reversal of 988240 is 42889.

988240 = T₅ + T₆ + ... + T₁₈₀.

It is an interprime number because it is at equal distance from previous prime (988237) and next prime (988243).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319 + ... + 1441.

2⁹⁸⁸²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254384).

988240 is an abundant number, since it is smaller than the sum of its proper divisors (1520528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988240 is a wasteful number, since it uses less digits than its factorization.

988240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 988240 is about 994.1026103979. The cubic root of 988240 is about 99.6064532412.

It can be divided in two parts, 98 and 8240, that added together give a palindrome (8338).

The spelling of 988240 in words is "nine hundred eighty-eight thousand, two hundred forty".