1826761 has 2 divisors, whose sum is σ = 1826762. Its totient is φ = 1826760.

The previous prime is 1826753. The next prime is 1826771. The reversal of 1826761 is 1676281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 547600 = 1131^2 + 740^2 .

It is an emirp because it is prime and its reverse (1676281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1826761 - 2³ = 1826753 is a prime.

It is a super-2 number, since 2×1826761² = 6674111502242, which contains 22 as substring.

It is equal to p₁₃₆₉₃₉ and since 1826761 and 136939 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1826711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913380 + 913381.

It is an arithmetic number, because the mean of its divisors is an integer number (913381).

2^1826761 is an apocalyptic number.

It is an amenable number.

1826761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1826761 is an equidigital number, since it uses as much as digits as its factorization.

1826761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 1826761 is about 1351.5772267984. The cubic root of 1826761 is about 122.2439131689.

The spelling of 1826761 in words is "one million, eight hundred twenty-six thousand, seven hundred sixty-one".