988420 has 24 divisors (see below), whose sum is σ = 2107224. Its totient is φ = 389376.

The previous prime is 988417. The next prime is 988439. The reversal of 988420 is 24889.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 568516 = 648^2 + 754^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (87801).

2⁹⁸⁸⁴²⁰ is an apocalyptic number.

It is an amenable number.

988420 is an abundant number, since it is smaller than the sum of its proper divisors (1118804).

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

988420 is a wasteful number, since it uses less digits than its factorization.

988420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 757 counting only the distinct ones).

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

The square root of 988420 is about 994.1931401896. The cubic root of 988420 is about 99.6125003800.

The spelling of 988420 in words is "nine hundred eighty-eight thousand, four hundred twenty".