988284969 has 45 divisors (see below), whose sum is σ = 1720808397. Its totient is φ = 563602536.

The previous prime is 988284967. The next prime is 988284977. The reversal of 988284969 is 969482889.

The square root of 988284969 is 31437.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 988284969 - 2¹ = 988284967 is a prime.

It is a super-2 number, since 2×988284969² = 1953414359902661922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (17915904) is a multiple of the sum of its prime factors (1024).

It is not an unprimeable number, because it can be changed into a prime (988284967) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1980282 + ... + 1980780.

Almost surely, 2^988284969 is an apocalyptic number.

988284969 is the 31437-th square number.

988284969 is the 15719-th centered octagonal number.

It is an amenable number.

988284969 is a deficient number, since it is larger than the sum of its proper divisors (732523428).

988284969 is an frugal number, since it uses more digits than its factorization.

988284969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 509 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The cubic root of 988284969 is about 996.0796405326.

The spelling of 988284969 in words is "nine hundred eighty-eight million, two hundred eighty-four thousand, nine hundred sixty-nine".