1994646 has 8 divisors (see below), whose sum is σ = 3989304. Its totient is φ = 664880.

The previous prime is 1994623. The next prime is 1994647. The reversal of 1994646 is 6464991.

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

1994646 is an admirable number.

It is a super-2 number, since 2×1994646² = 7957225330632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994647) 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, 166215 + ... + 166226.

It is an arithmetic number, because the mean of its divisors is an integer number (498663).

2^1994646 is an apocalyptic number.

1994646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1994646 is a wasteful number, since it uses less digits than its factorization.

1994646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332446.

The product of its digits is 46656, while the sum is 39.

The square root of 1994646 is about 1412.3193689814. The cubic root of 1994646 is about 125.8795775627.

The spelling of 1994646 in words is "one million, nine hundred ninety-four thousand, six hundred forty-six".