1026480 has 160 divisors (see below), whose sum is σ = 3999744. Its totient is φ = 211968.
The previous prime is 1026479. The next prime is 1026481. The reversal of 1026480 is 846201.
It is an interprime number because it is at equal distance from previous prime (1026479) and next prime (1026481).
It is a super-2 number, since 2×10264802 = 2107322380800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (1026481) 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 31 ways as a sum of consecutive naturals, for example, 21817 + ... + 21863.
21026480 is an apocalyptic number.
1026480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1026480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1999872).
1026480 is an abundant number, since it is smaller than the sum of its proper divisors (2973264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1026480 is a wasteful number, since it uses less digits than its factorization.
1026480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83 (or 77 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 1026480 is about 1013.1534928134. The cubic root of 1026480 is about 100.8749882917.
The spelling of 1026480 in words is "one million, twenty-six thousand, four hundred eighty".
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