490530826 has 4 divisors (see below), whose sum is σ = 735796242. Its totient is φ = 245265412.

The previous prime is 490530823. The next prime is 490530827. The reversal of 490530826 is 628035094.

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., 455779801 + 34751025 = 21349^2 + 5895^2 .

It is not an unprimeable number, because it can be changed into a prime (490530823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122632705 + ... + 122632708.

Almost surely, 2^490530826 is an apocalyptic number.

490530826 is a deficient number, since it is larger than the sum of its proper divisors (245265416).

490530826 is a wasteful number, since it uses less digits than its factorization.

490530826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245265415.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 490530826 is about 22147.9305128041. The cubic root of 490530826 is about 788.6581000738.

The spelling of 490530826 in words is "four hundred ninety million, five hundred thirty thousand, eight hundred twenty-six".