1694994 has 16 divisors (see below), whose sum is σ = 3874368. Its totient is φ = 484272.

The previous prime is 1694989. The next prime is 1695041. The reversal of 1694994 is 4994961.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 40357 = 1694994 / (1 + 6 + 9 + 4 + 9 + 9 + 4).

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20137 + ... + 20220.

It is an arithmetic number, because the mean of its divisors is an integer number (242148).

2^1694994 is an apocalyptic number.

1694994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1694994 is an abundant number, since it is smaller than the sum of its proper divisors (2179374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1694994 is a wasteful number, since it uses less digits than its factorization.

1694994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40369.

The product of its digits is 69984, while the sum is 42.

The square root of 1694994 is about 1301.9193523410. The cubic root of 1694994 is about 119.2310554490.

The spelling of 1694994 in words is "one million, six hundred ninety-four thousand, nine hundred ninety-four".