290434 has 8 divisors (see below), whose sum is σ = 458640. Its totient is φ = 137556.

The previous prime is 290429. The next prime is 290441. The reversal of 290434 is 434092.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3784 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2²⁹⁰⁴³⁴ is an apocalyptic number.

290434 is a deficient number, since it is larger than the sum of its proper divisors (168206).

290434 is a wasteful number, since it uses less digits than its factorization.

290434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 290434 is about 538.9192889478. The cubic root of 290434 is about 66.2240624702.

The spelling of 290434 in words is "two hundred ninety thousand, four hundred thirty-four".