290116 has 24 divisors (see below), whose sum is σ = 546840. Its totient is φ = 134400.

The previous prime is 290113. The next prime is 290119. The reversal of 290116 is 611092.

290116 = 9² + 10² + ... + 95².

It is an interprime number because it is at equal distance from previous prime (290113) and next prime (290119).

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 280900 = 96^2 + 530^2 .

It is a junction number, because it is equal to n+sod(n) for n = 290093 and 290102.

It is not an unprimeable number, because it can be changed into a prime (290113) 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, 4726 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (22785).

2²⁹⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

290116 is a deficient number, since it is larger than the sum of its proper divisors (256724).

290116 is a wasteful number, since it uses less digits than its factorization.

290116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 290116 is about 538.6241732414. The cubic root of 290116 is about 66.1998837784.

It can be divided in two parts, 290 and 116, that added together give a triangular number (406 = T₂₈).

The spelling of 290116 in words is "two hundred ninety thousand, one hundred sixteen".