1894349 has 6 divisors (see below), whose sum is σ = 1980846. Its totient is φ = 1811480.

The previous prime is 1894339. The next prime is 1894369. The reversal of 1894349 is 9434981.

It can be written as a sum of positive squares in only one way, i.e., 1841449 + 52900 = 1357^2 + 230^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1894349 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (330141).

2^1894349 is an apocalyptic number.

It is an amenable number.

1894349 is a deficient number, since it is larger than the sum of its proper divisors (86497).

1894349 is an equidigital number, since it uses as much as digits as its factorization.

1894349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3604 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 1894349 is about 1376.3535156347. The cubic root of 1894349 is about 123.7333195216.

The spelling of 1894349 in words is "one million, eight hundred ninety-four thousand, three hundred forty-nine".