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979907 is a prime number
BaseRepresentation
bin11101111001111000011
31211210011212
43233033003
5222324112
633000335
711220605
oct3571703
91753155
10979907
1160a245
123b30ab
13284036
141b7175
15145522
hexef3c3

979907 has 2 divisors, whose sum is σ = 979908. Its totient is φ = 979906.

The previous prime is 979889. The next prime is 979919. The reversal of 979907 is 709979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979907 - 28 = 979651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489953 + 489954.

It is an arithmetic number, because the mean of its divisors is an integer number (489954).

2979907 is an apocalyptic number.

979907 is a deficient number, since it is larger than the sum of its proper divisors (1).

979907 is an equidigital number, since it uses as much as digits as its factorization.

979907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 979907 is about 989.9025204534. The cubic root of 979907 is about 99.3256967038.

The spelling of 979907 in words is "nine hundred seventy-nine thousand, nine hundred seven".