1994328 has 64 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 569376.

The previous prime is 1994327. The next prime is 1994339. The reversal of 1994328 is 8234991.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1994292 and 1994301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2^1994328 is an apocalyptic number.

1994328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3168000).

1994328 is an abundant number, since it is smaller than the sum of its proper divisors (4341672).

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

1994328 is a wasteful number, since it uses less digits than its factorization.

1994328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1331 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1994328 is about 1412.2067837254. The cubic root of 1994328 is about 125.8728876817.

The spelling of 1994328 in words is "one million, nine hundred ninety-four thousand, three hundred twenty-eight".