290479 has 8 divisors (see below), whose sum is σ = 351648. Its totient is φ = 234240.

The previous prime is 290473. The next prime is 290489. The reversal of 290479 is 974092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290479 - 2³ = 290471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290471) 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, 1102 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (43956).

2²⁹⁰⁴⁷⁹ is an apocalyptic number.

290479 is a deficient number, since it is larger than the sum of its proper divisors (61169).

290479 is a wasteful number, since it uses less digits than its factorization.

290479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 290479 is about 538.9610375528. The cubic root of 290479 is about 66.2274825575.

The spelling of 290479 in words is "two hundred ninety thousand, four hundred seventy-nine".