290427 has 8 divisors (see below), whose sum is σ = 390720. Its totient is φ = 191880.

The previous prime is 290419. The next prime is 290429. The reversal of 290427 is 724092.

290427 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 290427 - 2³ = 290419 is a prime.

290427 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 290397 and 290406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290427.

It is not an unprimeable number, because it can be changed into a prime (290429) 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, 24 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (48840).

2²⁹⁰⁴²⁷ is an apocalyptic number.

290427 is a deficient number, since it is larger than the sum of its proper divisors (100293).

290427 is a wasteful number, since it uses less digits than its factorization.

290427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 290427 is about 538.9127944297. The cubic root of 290427 is about 66.2235304249.

It can be divided in two parts, 290 and 427, that added together give a palindrome (717).

The spelling of 290427 in words is "two hundred ninety thousand, four hundred twenty-seven".