988550 has 24 divisors (see below), whose sum is σ = 1948536. Its totient is φ = 371840.

The previous prime is 988549. The next prime is 988571. The reversal of 988550 is 55889.

988550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×988550² = 1954462205000, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 988550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (81189).

2⁹⁸⁸⁵⁵⁰ is an apocalyptic number.

988550 is a deficient number, since it is larger than the sum of its proper divisors (959986).

988550 is a wasteful number, since it uses less digits than its factorization.

988550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 988550 is about 994.2585176904. The cubic root of 988550 is about 99.6168673014.

The spelling of 988550 in words is "nine hundred eighty-eight thousand, five hundred fifty".