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940985 = 5188197
BaseRepresentation
bin11100101101110111001
31202210210022
43211232321
5220102420
632100225
710666253
oct3455671
91683708
10940985
11592a81
12394675
1326c3c6
141a6cd3
15138c25
hexe5bb9

940985 has 4 divisors (see below), whose sum is σ = 1129188. Its totient is φ = 752784.

The previous prime is 940981. The next prime is 940993. The reversal of 940985 is 589049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118336 + 822649 = 344^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 940985 - 22 = 940981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940981) 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 in 3 ways as a sum of consecutive naturals, for example, 94094 + ... + 94103.

It is an arithmetic number, because the mean of its divisors is an integer number (282297).

2940985 is an apocalyptic number.

It is an amenable number.

940985 is a deficient number, since it is larger than the sum of its proper divisors (188203).

940985 is a wasteful number, since it uses less digits than its factorization.

940985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188202.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 940985 is about 970.0438134435. The cubic root of 940985 is about 97.9928149668.

The spelling of 940985 in words is "nine hundred forty thousand, nine hundred eighty-five".

Divisors: 1 5 188197 940985