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3949037 is a prime number
BaseRepresentation
bin1111000100000111101101
321102122001122
433010013231
52002332122
6220350325
745365141
oct17040755
97378048
103949037
112257a74
1213a53a5
13a83611
1474b221
15530142
hex3c41ed

3949037 has 2 divisors, whose sum is σ = 3949038. Its totient is φ = 3949036.

The previous prime is 3949027. The next prime is 3949039. The reversal of 3949037 is 7309493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 1223236 = 1651^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 3949037 - 28 = 3948781 is a prime.

Together with 3949039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3948988 and 3949006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3949039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974518 + 1974519.

It is an arithmetic number, because the mean of its divisors is an integer number (1974519).

Almost surely, 23949037 is an apocalyptic number.

It is an amenable number.

3949037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3949037 is an equidigital number, since it uses as much as digits as its factorization.

3949037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3949037 is about 1987.2184077247. The cubic root of 3949037 is about 158.0630656748.

The spelling of 3949037 in words is "three million, nine hundred forty-nine thousand, thirty-seven".