1994272 has 48 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 822528.

The previous prime is 1994227. The next prime is 1994299. The reversal of 1994272 is 2724991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6343 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2^1994272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328480).

1994272 is an abundant number, since it is smaller than the sum of its proper divisors (2662688).

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

1994272 is a wasteful number, since it uses less digits than its factorization.

1994272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 345 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1994272 is about 1412.1869564615. The cubic root of 1994272 is about 125.8717095158.

The spelling of 1994272 in words is "one million, nine hundred ninety-four thousand, two hundred seventy-two".