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3980461 is a prime number
BaseRepresentation
bin1111001011110010101101
321111020011111
433023302231
52004333321
6221152021
745555562
oct17136255
97436144
103980461
112279641
1213bb611
13a94a04
14758869
155395e1
hex3cbcad

3980461 has 2 divisors, whose sum is σ = 3980462. Its totient is φ = 3980460.

The previous prime is 3980429. The next prime is 3980479. The reversal of 3980461 is 1640893.

It is the 815-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2157961 + 1822500 = 1469^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 3980461 - 25 = 3980429 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 (3980401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990230 + 1990231.

It is an arithmetic number, because the mean of its divisors is an integer number (1990231).

Almost surely, 23980461 is an apocalyptic number.

It is an amenable number.

3980461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3980461 is an equidigital number, since it uses as much as digits as its factorization.

3980461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3980461 is about 1995.1092701905. The cubic root of 3980461 is about 158.4812146233.

The spelling of 3980461 in words is "three million, nine hundred eighty thousand, four hundred sixty-one".