1894741 has 2 divisors, whose sum is σ = 1894742. Its totient is φ = 1894740.

The previous prime is 1894729. The next prime is 1894757. The reversal of 1894741 is 1474981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1552516 + 342225 = 1246^2 + 585^2 .

It is an emirp because it is prime and its reverse (1474981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1894741 - 2⁹ = 1894229 is a prime.

It is a super-3 number, since 3×1894741³ = 20406607589739333063, which contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1894697 and 1894706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1897741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947370 + 947371.

It is an arithmetic number, because the mean of its divisors is an integer number (947371).

2^1894741 is an apocalyptic number.

It is an amenable number.

1894741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894741 is an equidigital number, since it uses as much as digits as its factorization.

1894741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 1894741 is about 1376.4959135428. The cubic root of 1894741 is about 123.7418536963.

The spelling of 1894741 in words is "one million, eight hundred ninety-four thousand, seven hundred forty-one".