1885601 has 2 divisors, whose sum is σ = 1885602. Its totient is φ = 1885600.

The previous prime is 1885577. The next prime is 1885603. The reversal of 1885601 is 1065881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 883600 = 1001^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1885601 - 2¹⁰ = 1884577 is a prime.

It is a super-2 number, since 2×1885601² = 7110982262402, which contains 22 as substring.

Together with 1885603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1885603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 942800 + 942801.

It is an arithmetic number, because the mean of its divisors is an integer number (942801).

2^1885601 is an apocalyptic number.

It is an amenable number.

1885601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1885601 is an equidigital number, since it uses as much as digits as its factorization.

1885601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1885601 is about 1373.1718756223. The cubic root of 1885601 is about 123.5425610163.

The spelling of 1885601 in words is "one million, eight hundred eighty-five thousand, six hundred one".