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3995429 is a prime number
BaseRepresentation
bin1111001111011100100101
321111222200212
433033130211
52010323204
6221345205
745650324
oct17173445
97458625
103995429
112289909
121408205
13a9b779
147600bb
1553dc6e
hex3cf725

3995429 has 2 divisors, whose sum is σ = 3995430. Its totient is φ = 3995428.

The previous prime is 3995413. The next prime is 3995437. The reversal of 3995429 is 9245993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3247204 + 748225 = 1802^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995429 - 24 = 3995413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3995449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997714 + 1997715.

It is an arithmetic number, because the mean of its divisors is an integer number (1997715).

Almost surely, 23995429 is an apocalyptic number.

It is an amenable number.

3995429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995429 is an equidigital number, since it uses as much as digits as its factorization.

3995429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 3995429 is about 1998.8569233439. The cubic root of 3995429 is about 158.6796153977.

The spelling of 3995429 in words is "three million, nine hundred ninety-five thousand, four hundred twenty-nine".