993289 has 6 divisors (see below), whose sum is σ = 1091930. Its totient is φ = 902880.

The previous prime is 993287. The next prime is 993319. The reversal of 993289 is 982399.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 627264 + 366025 = 792^2 + 605^2 .

It is not a de Polignac number, because 993289 - 2¹ = 993287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3984 + ... + 4225.

2⁹⁹³²⁸⁹ is an apocalyptic number.

It is an amenable number.

993289 is a deficient number, since it is larger than the sum of its proper divisors (98641).

993289 is a wasteful number, since it uses less digits than its factorization.

993289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231 (or 8220 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 993289 is about 996.6388513398. The cubic root of 993289 is about 99.7757977090.

The spelling of 993289 in words is "nine hundred ninety-three thousand, two hundred eighty-nine".