Search a number
-
+
3809461 is a prime number
BaseRepresentation
bin1110100010000010110101
321011112121011
432202002311
51433400321
6213352221
744244205
oct16420265
97145534
103809461
112172117
121338671
13a34c26
14712405
15503ae1
hex3a20b5

3809461 has 2 divisors, whose sum is σ = 3809462. Its totient is φ = 3809460.

The previous prime is 3809431. The next prime is 3809471. The reversal of 3809461 is 1649083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 799236 = 1735^2 + 894^2 .

It is a cyclic number.

It is not a de Polignac number, because 3809461 - 211 = 3807413 is a prime.

It is a super-2 number, since 2×38094612 = 29023986221042, which contains 22 as substring.

It is equal to p270598 and since 3809461 and 270598 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3809431) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904730 + 1904731.

It is an arithmetic number, because the mean of its divisors is an integer number (1904731).

Almost surely, 23809461 is an apocalyptic number.

It is an amenable number.

3809461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3809461 is an equidigital number, since it uses as much as digits as its factorization.

3809461 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 3809461 is about 1951.7840556783. The cubic root of 3809461 is about 156.1784747835.

The spelling of 3809461 in words is "three million, eight hundred nine thousand, four hundred sixty-one".