490834 has 4 divisors (see below), whose sum is σ = 736254. Its totient is φ = 245416.

The previous prime is 490829. The next prime is 490837. The reversal of 490834 is 438094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 21609 = 685^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (490837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122707 + ... + 122710.

2⁴⁹⁰⁸³⁴ is an apocalyptic number.

490834 is a deficient number, since it is larger than the sum of its proper divisors (245420).

490834 is a wasteful number, since it uses less digits than its factorization.

490834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245419.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 490834 is about 700.5954610187. The cubic root of 490834 is about 78.8820544088.

The spelling of 490834 in words is "four hundred ninety thousand, eight hundred thirty-four".