902993 has 8 divisors (see below), whose sum is σ = 1111488. Its totient is φ = 714384.

The previous prime is 902987. The next prime is 903017. The reversal of 902993 is 399209.

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

It is a cyclic number.

It is not a de Polignac number, because 902993 - 2⁴ = 902977 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (902903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (138936).

2⁹⁰²⁹⁹³ is an apocalyptic number.

It is an amenable number.

902993 is a deficient number, since it is larger than the sum of its proper divisors (208495).

902993 is a wasteful number, since it uses less digits than its factorization.

902993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 902993 is about 950.2594382588. The cubic root of 902993 is about 96.6558463249.

The spelling of 902993 in words is "nine hundred two thousand, nine hundred ninety-three".