1994849 has 4 divisors (see below), whose sum is σ = 2028720. Its totient is φ = 1960980.

The previous prime is 1994843. The next prime is 1994869. The reversal of 1994849 is 9484991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9484991 = 83 ⋅114277.

It is a cyclic number.

It is not a de Polignac number, because 1994849 - 2⁴ = 1994833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1994843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16847 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (507180).

2^1994849 is an apocalyptic number.

It is an amenable number.

1994849 is a deficient number, since it is larger than the sum of its proper divisors (33871).

1994849 is an equidigital number, since it uses as much as digits as its factorization.

1994849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33870.

The product of its digits is 93312, while the sum is 44.

The square root of 1994849 is about 1412.3912347505. The cubic root of 1994849 is about 125.8838477753.

The spelling of 1994849 in words is "one million, nine hundred ninety-four thousand, eight hundred forty-nine".