1894272 has 32 divisors (see below), whose sum is σ = 5032680. Its totient is φ = 631296.

The previous prime is 1894271. The next prime is 1894283. The reversal of 1894272 is 2724981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894271) 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, 2083 + ... + 2850.

2^1894272 is an apocalyptic number.

1894272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1894272 is an abundant number, since it is smaller than the sum of its proper divisors (3138408).

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

1894272 is an equidigital number, since it uses as much as digits as its factorization.

1894272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950 (or 4938 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1894272 is about 1376.3255428858. The cubic root of 1894272 is about 123.7316430275.

The spelling of 1894272 in words is "one million, eight hundred ninety-four thousand, two hundred seventy-two".