290149 has 4 divisors (see below), whose sum is σ = 305440. Its totient is φ = 274860.

The previous prime is 290141. The next prime is 290161. The reversal of 290149 is 941092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 290149 - 2³ = 290141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7617 + ... + 7654.

It is an arithmetic number, because the mean of its divisors is an integer number (76360).

2²⁹⁰¹⁴⁹ is an apocalyptic number.

It is an amenable number.

290149 is a deficient number, since it is larger than the sum of its proper divisors (15291).

290149 is a wasteful number, since it uses less digits than its factorization.

290149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 290149 is about 538.6548059750. The cubic root of 290149 is about 66.2023937093.

The spelling of 290149 in words is "two hundred ninety thousand, one hundred forty-nine".