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390959 is a prime number
BaseRepresentation
bin1011111011100101111
3201212021222
41133130233
5100002314
612213555
73215552
oct1373457
9655258
10390959
11247808
1216a2bb
13108c4a
14a2699
157ac8e
hex5f72f

390959 has 2 divisors, whose sum is σ = 390960. Its totient is φ = 390958.

The previous prime is 390953. The next prime is 390961. The reversal of 390959 is 959093.

It is a strong prime.

It is an emirp because it is prime and its reverse (959093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390959 - 28 = 390703 is a prime.

It is a Sophie Germain prime.

Together with 390961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390959.

It is not a weakly prime, because it can be changed into another prime (390953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195479 + 195480.

It is an arithmetic number, because the mean of its divisors is an integer number (195480).

2390959 is an apocalyptic number.

390959 is a deficient number, since it is larger than the sum of its proper divisors (1).

390959 is an equidigital number, since it uses as much as digits as its factorization.

390959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 390959 is about 625.2671429077. The cubic root of 390959 is about 73.1212721211.

The spelling of 390959 in words is "three hundred ninety thousand, nine hundred fifty-nine".