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940001 is a prime number
BaseRepresentation
bin11100101011111100001
31202202102212
43211133201
5220040001
632051505
710663346
oct3453741
91682385
10940001
11592267
12393b95
1326bb1a
141a67cd
151387bb
hexe57e1

940001 has 2 divisors, whose sum is σ = 940002. Its totient is φ = 940000.

The previous prime is 939997. The next prime is 940003. The reversal of 940001 is 100049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 456976 = 695^2 + 676^2 .

It is an emirp because it is prime and its reverse (100049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940001 - 22 = 939997 is a prime.

Together with 940003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (940003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470000 + 470001.

It is an arithmetic number, because the mean of its divisors is an integer number (470001).

2940001 is an apocalyptic number.

It is an amenable number.

940001 is a deficient number, since it is larger than the sum of its proper divisors (1).

940001 is an equidigital number, since it uses as much as digits as its factorization.

940001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 940001 is about 969.5364871938. The cubic root of 940001 is about 97.9586456086.

The spelling of 940001 in words is "nine hundred forty thousand, one".