997086 has 16 divisors (see below), whose sum is σ = 2010384. Its totient is φ = 329664.

The previous prime is 997081. The next prime is 997091. The reversal of 997086 is 680799.

It is an interprime number because it is at equal distance from previous prime (997081) and next prime (997091).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997081) 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, 216 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (125649).

2⁹⁹⁷⁰⁸⁶ is an apocalyptic number.

997086 is an abundant number, since it is smaller than the sum of its proper divisors (1013298).

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

997086 is a wasteful number, since it uses less digits than its factorization.

997086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 997086 is about 998.5419370262. The cubic root of 997086 is about 99.9027721648.

The spelling of 997086 in words is "nine hundred ninety-seven thousand, eighty-six".