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998028 = 22339241
BaseRepresentation
bin11110011101010001100
31212201001000
43303222030
5223414103
633220300
711324463
oct3635214
91781030
10998028
11621919
12401690
1328c365
141bd9da
1514aaa3
hexf3a8c

998028 has 24 divisors (see below), whose sum is σ = 2587760. Its totient is φ = 332640.

The previous prime is 998027. The next prime is 998029. The reversal of 998028 is 820899.

It is an interprime number because it is at equal distance from previous prime (998027) and next prime (998029).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 997983 and 998001.

It is not an unprimeable number, because it can be changed into a prime (998027) 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 7 ways as a sum of consecutive naturals, for example, 4513 + ... + 4728.

2998028 is an apocalyptic number.

It is an amenable number.

998028 is an abundant number, since it is smaller than the sum of its proper divisors (1589732).

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

998028 is a wasteful number, since it uses less digits than its factorization.

998028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254 (or 9246 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 998028 is about 999.0135134221. The cubic root of 998028 is about 99.9342234106.

The spelling of 998028 in words is "nine hundred ninety-eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 9241 18482 27723 36964 55446 83169 110892 166338 249507 332676 499014 998028