1380496 has 20 divisors (see below), whose sum is σ = 2880892. Its totient is φ = 637056.
The previous prime is 1380469. The next prime is 1380499. The reversal of 1380496 is 6940831.
It can be written as a sum of positive squares in 2 ways, for example, as 90000 + 1290496 = 300^2 + 1136^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380499) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3111 + ... + 3526.
21380496 is an apocalyptic number.
1380496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1380496 is an abundant number, since it is smaller than the sum of its proper divisors (1500396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380496 is a wasteful number, since it uses less digits than its factorization.
1380496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6658 (or 6652 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 1380496 is about 1174.9451051007. The cubic root of 1380496 is about 111.3469650760.
The spelling of 1380496 in words is "one million, three hundred eighty thousand, four hundred ninety-six".
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