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3994271 is a prime number
BaseRepresentation
bin1111001111001010011111
321111221002222
433033022133
52010304041
6221335555
745644051
oct17171237
97457088
103994271
112288a56
1214075bb
13a9b098
1475d8d1
1553d74b
hex3cf29f

3994271 has 2 divisors, whose sum is σ = 3994272. Its totient is φ = 3994270.

The previous prime is 3994267. The next prime is 3994279. The reversal of 3994271 is 1724993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3994271 - 22 = 3994267 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3994279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997135 + 1997136.

It is an arithmetic number, because the mean of its divisors is an integer number (1997136).

Almost surely, 23994271 is an apocalyptic number.

3994271 is a deficient number, since it is larger than the sum of its proper divisors (1).

3994271 is an equidigital number, since it uses as much as digits as its factorization.

3994271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 3994271 is about 1998.5672367974. The cubic root of 3994271 is about 158.6642838150.

The spelling of 3994271 in words is "three million, nine hundred ninety-four thousand, two hundred seventy-one".