1987233 has 8 divisors (see below), whose sum is σ = 2721408. Its totient is φ = 1288944.

The previous prime is 1987231. The next prime is 1987241. The reversal of 1987233 is 3327891.

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

It is not a de Polignac number, because 1987233 - 2¹ = 1987231 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1987194 and 1987203.

It is not an unprimeable number, because it can be changed into a prime (1987231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8841 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (340176).

2^1987233 is an apocalyptic number.

It is an amenable number.

1987233 is a deficient number, since it is larger than the sum of its proper divisors (734175).

1987233 is a wasteful number, since it uses less digits than its factorization.

1987233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943.

The product of its digits is 9072, while the sum is 33.

The square root of 1987233 is about 1409.6925196652. The cubic root of 1987233 is about 125.7234423058.

The spelling of 1987233 in words is "one million, nine hundred eighty-seven thousand, two hundred thirty-three".