986993 has 16 divisors (see below), whose sum is σ = 1223040. Its totient is φ = 777600.

The previous prime is 986989. The next prime is 987013. The reversal of 986993 is 399689.

It is a cyclic number.

It is not a de Polignac number, because 986993 - 2² = 986989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (986903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5363 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

2⁹⁸⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

986993 is a deficient number, since it is larger than the sum of its proper divisors (236047).

986993 is a wasteful number, since it uses less digits than its factorization.

986993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its digits is 104976, while the sum is 44.

The square root of 986993 is about 993.4752135811. The cubic root of 986993 is about 99.5645398302.

The spelling of 986993 in words is "nine hundred eighty-six thousand, nine hundred ninety-three".