1344620 has 12 divisors (see below), whose sum is σ = 2823744. Its totient is φ = 537840.
The previous prime is 1344601. The next prime is 1344641. The reversal of 1344620 is 264431.
1344620 = T181 + T182 + ... + T240.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 67231 = 1344620 / (1 + 3 + 4 + 4 + 6 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 1344592 and 1344601.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33596 + ... + 33635.
It is an arithmetic number, because the mean of its divisors is an integer number (235312).
21344620 is an apocalyptic number.
1344620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1344620 is an abundant number, since it is smaller than the sum of its proper divisors (1479124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1344620 is a wasteful number, since it uses less digits than its factorization.
1344620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67240 (or 67238 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1344620 is about 1159.5775092679. The cubic root of 1344620 is about 110.3739340198.
The spelling of 1344620 in words is "one million, three hundred forty-four thousand, six hundred twenty".
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