1994797 has 8 divisors (see below), whose sum is σ = 2414016. Its totient is φ = 1609152.

The previous prime is 1994779. The next prime is 1994807. The reversal of 1994797 is 7974991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1994797 - 2⁷ = 1994669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994717) 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 7 ways as a sum of consecutive naturals, for example, 8263 + ... + 8500.

It is an arithmetic number, because the mean of its divisors is an integer number (301752).

2^1994797 is an apocalyptic number.

1994797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1994797 is a deficient number, since it is larger than the sum of its proper divisors (419219).

1994797 is a wasteful number, since it uses less digits than its factorization.

1994797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16787.

The product of its digits is 142884, while the sum is 46.

The square root of 1994797 is about 1412.3728261334. The cubic root of 1994797 is about 125.8827539553.

The spelling of 1994797 in words is "one million, nine hundred ninety-four thousand, seven hundred ninety-seven".