490473386 has 8 divisors (see below), whose sum is σ = 792303204. Its totient is φ = 226372320.

The previous prime is 490473383. The next prime is 490473421. The reversal of 490473386 is 683374094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 490401025 + 72361 = 22145^2 + 269^2 .

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

It is not an unprimeable number, because it can be changed into a prime (490473383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9432155 + ... + 9432206.

Almost surely, 2^490473386 is an apocalyptic number.

490473386 is a deficient number, since it is larger than the sum of its proper divisors (301829818).

490473386 is a wasteful number, since it uses less digits than its factorization.

490473386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18864376.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 490473386 is about 22146.6337396906. The cubic root of 490473386 is about 788.6273155392.

The spelling of 490473386 in words is "four hundred ninety million, four hundred seventy-three thousand, three hundred eighty-six".