290969 has 8 divisors (see below), whose sum is σ = 335808. Its totient is φ = 246960.
The previous prime is 290963. The next prime is 290971. The reversal of 290969 is 969092.
290969 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 290969 - 212 = 286873 is a prime.
It is a super-2 number, since 2×2909692 = 169325917922, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1274 + ... + 1484.
It is an arithmetic number, because the mean of its divisors is an integer number (41976).
2290969 is an apocalyptic number.
It is an amenable number.
290969 is a deficient number, since it is larger than the sum of its proper divisors (44839).
290969 is a wasteful number, since it uses less digits than its factorization.
290969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415.
The product of its (nonzero) digits is 8748, while the sum is 35.
The square root of 290969 is about 539.4154243253. The cubic root of 290969 is about 66.2647006656.
The spelling of 290969 in words is "two hundred ninety thousand, nine hundred sixty-nine".
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