290741 has 4 divisors (see below), whose sum is σ = 317184. Its totient is φ = 264300.

The previous prime is 290737. The next prime is 290761. The reversal of 290741 is 147092.

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 290741 - 2² = 290737 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 (290701) 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, 13205 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (79296).

2²⁹⁰⁷⁴¹ is an apocalyptic number.

It is an amenable number.

290741 is a deficient number, since it is larger than the sum of its proper divisors (26443).

290741 is a wasteful number, since it uses less digits than its factorization.

290741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26442.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 290741 is about 539.2040430115. The cubic root of 290741 is about 66.2473880541.

The spelling of 290741 in words is "two hundred ninety thousand, seven hundred forty-one".