1896761 has 2 divisors, whose sum is σ = 1896762. Its totient is φ = 1896760.

The previous prime is 1896737. The next prime is 1896767. The reversal of 1896761 is 1676981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 319225 = 1256^2 + 565^2 .

It is an emirp because it is prime and its reverse (1676981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1896761 is a prime.

It is a super-2 number, since 2×1896761² = 7195404582242, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1896767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948380 + 948381.

It is an arithmetic number, because the mean of its divisors is an integer number (948381).

2^1896761 is an apocalyptic number.

It is an amenable number.

1896761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896761 is an equidigital number, since it uses as much as digits as its factorization.

1896761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 1896761 is about 1377.2294652671. The cubic root of 1896761 is about 123.7858121704.

The spelling of 1896761 in words is "one million, eight hundred ninety-six thousand, seven hundred sixty-one".