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3980429 is a prime number
BaseRepresentation
bin1111001011110010001101
321111020010022
433023302031
52004333204
6221151525
745555515
oct17136215
97436108
103980429
112279612
1213bb5a5
13a949ab
14758845
155395be
hex3cbc8d

3980429 has 2 divisors, whose sum is σ = 3980430. Its totient is φ = 3980428.

The previous prime is 3980419. The next prime is 3980461. The reversal of 3980429 is 9240893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 158404 = 1955^2 + 398^2 .

It is an emirp because it is prime and its reverse (9240893) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3980429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3980419) 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 as a sum of consecutive naturals, namely, 1990214 + 1990215.

It is an arithmetic number, because the mean of its divisors is an integer number (1990215).

Almost surely, 23980429 is an apocalyptic number.

It is an amenable number.

3980429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3980429 is an equidigital number, since it uses as much as digits as its factorization.

3980429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3980429 is about 1995.1012505635. The cubic root of 3980429 is about 158.4807899310.

The spelling of 3980429 in words is "three million, nine hundred eighty thousand, four hundred twenty-nine".