670983 has 8 divisors (see below), whose sum is σ = 900096. Its totient is φ = 444600.
The previous prime is 670963. The next prime is 670987. The reversal of 670983 is 389076.
It is a happy number.
670983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 670983 - 25 = 670951 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (670987) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1158.
It is an arithmetic number, because the mean of its divisors is an integer number (112512).
2670983 is an apocalyptic number.
670983 is a deficient number, since it is larger than the sum of its proper divisors (229113).
670983 is a wasteful number, since it uses less digits than its factorization.
670983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1365.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 670983 is about 819.1355199233. The cubic root of 670983 is about 87.5461742687.
It can be divided in two parts, 670 and 983, that added together give a triangular number (1653 = T57).
The spelling of 670983 in words is "six hundred seventy thousand, nine hundred eighty-three".
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