490832786 has 4 divisors (see below), whose sum is σ = 736249182. Its totient is φ = 245416392.

The previous prime is 490832753. The next prime is 490832791. The reversal of 490832786 is 687238094.

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., 448126561 + 42706225 = 21169^2 + 6535^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 490832786.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122708195 + ... + 122708198.

Almost surely, 2^490832786 is an apocalyptic number.

490832786 is a deficient number, since it is larger than the sum of its proper divisors (245416396).

490832786 is a wasteful number, since it uses less digits than its factorization.

490832786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245416395.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 490832786 is about 22154.7463537726. The cubic root of 490832786 is about 788.8198937463.

The spelling of 490832786 in words is "four hundred ninety million, eight hundred thirty-two thousand, seven hundred eighty-six".