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1384087 is a prime number
BaseRepresentation
bin101010001111010010111
32121022121111
411101322113
5323242322
645355451
714523145
oct5217227
92538544
101384087
11865981
12568b87
13395cb3
14280595
151c5177
hex151e97

1384087 has 2 divisors, whose sum is σ = 1384088. Its totient is φ = 1384086.

The previous prime is 1384079. The next prime is 1384091. The reversal of 1384087 is 7804831.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7804831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1384087 - 23 = 1384079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1384027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692043 + 692044.

It is an arithmetic number, because the mean of its divisors is an integer number (692044).

21384087 is an apocalyptic number.

1384087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384087 is an equidigital number, since it uses as much as digits as its factorization.

1384087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1384087 is about 1176.4722691164. The cubic root of 1384087 is about 111.4434281715.

It can be divided in two parts, 138 and 4087, that added together give a square (4225 = 652).

The spelling of 1384087 in words is "one million, three hundred eighty-four thousand, eighty-seven".