1994775 has 12 divisors (see below), whose sum is σ = 3298152. Its totient is φ = 1063840.

The previous prime is 1994743. The next prime is 1994777. The reversal of 1994775 is 5774991.

It is a happy number.

It is not a de Polignac number, because 1994775 - 2⁵ = 1994743 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

1994775 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13224 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (274846).

2^1994775 is an apocalyptic number.

1994775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1994775 is a deficient number, since it is larger than the sum of its proper divisors (1303377).

1994775 is a wasteful number, since it uses less digits than its factorization.

1994775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26610 (or 26605 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 1994775 is about 1412.3650378001. The cubic root of 1994775 is about 125.8822911796.

The spelling of 1994775 in words is "one million, nine hundred ninety-four thousand, seven hundred seventy-five".