1994069 has 32 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 1391040.

The previous prime is 1994059. The next prime is 1994081. The reversal of 1994069 is 9604991.

It is not a de Polignac number, because 1994069 - 2⁴ = 1994053 is a prime.

It is a super-2 number, since 2×1994069² = 7952622353522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42404 + ... + 42450.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^1994069 is an apocalyptic number.

1994069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1994069 is a deficient number, since it is larger than the sum of its proper divisors (770731).

1994069 is a wasteful number, since it uses less digits than its factorization.

1994069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1994069 is about 1412.1150802962. The cubic root of 1994069 is about 125.8674384795.

The spelling of 1994069 in words is "one million, nine hundred ninety-four thousand, sixty-nine".