1378230 has 32 divisors (see below), whose sum is σ = 3780864. Its totient is φ = 314976.
The previous prime is 1378219. The next prime is 1378231. The reversal of 1378230 is 328731.
It is a self number, because there is not a number n which added to its sum of digits gives 1378230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1378231) 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 15 ways as a sum of consecutive naturals, for example, 3072 + ... + 3491.
It is an arithmetic number, because the mean of its divisors is an integer number (118152).
21378230 is an apocalyptic number.
1378230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1378230 is an abundant number, since it is smaller than the sum of its proper divisors (2402634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1378230 is a wasteful number, since it uses less digits than its factorization.
1378230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6580.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 1378230 is about 1173.9804086951. The cubic root of 1378230 is about 111.2860086274.
The spelling of 1378230 in words is "one million, three hundred seventy-eight thousand, two hundred thirty".
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