290966 has 24 divisors (see below), whose sum is σ = 512064. Its totient is φ = 123120.

The previous prime is 290963. The next prime is 290971. The reversal of 290966 is 669092.

It is a super-2 number, since 2×290966² = 169322426312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9371 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (21336).

2²⁹⁰⁹⁶⁶ is an apocalyptic number.

290966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

290966 is a deficient number, since it is larger than the sum of its proper divisors (221098).

290966 is a wasteful number, since it uses less digits than its factorization.

290966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 290966 is about 539.4126435300. The cubic root of 290966 is about 66.2644729268.

The spelling of 290966 in words is "two hundred ninety thousand, nine hundred sixty-six".