1870361 has 2 divisors, whose sum is σ = 1870362. Its totient is φ = 1870360.

The previous prime is 1870343. The next prime is 1870369. The reversal of 1870361 is 1630781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1485961 + 384400 = 1219^2 + 620^2 .

It is an emirp because it is prime and its reverse (1630781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1870361 - 2¹⁴ = 1853977 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1870361.

It is not a weakly prime, because it can be changed into another prime (1870369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 935180 + 935181.

It is an arithmetic number, because the mean of its divisors is an integer number (935181).

2^1870361 is an apocalyptic number.

It is an amenable number.

1870361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1870361 is an equidigital number, since it uses as much as digits as its factorization.

1870361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1870361 is about 1367.6114214206. The cubic root of 1870361 is about 123.2088241065.

The spelling of 1870361 in words is "one million, eight hundred seventy thousand, three hundred sixty-one".