490285386 has 40 divisors (see below), whose sum is σ = 1156430880. Its totient is φ = 154825992.

The previous prime is 490285337. The next prime is 490285451. The reversal of 490285386 is 683582094.

490285386 is a `hidden beast` number, since 4 + 90 + 28 + 538 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76566 + ... + 82721.

It is an arithmetic number, because the mean of its divisors is an integer number (28910772).

Almost surely, 2^490285386 is an apocalyptic number.

490285386 is an abundant number, since it is smaller than the sum of its proper divisors (666145494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490285386 is a wasteful number, since it uses less digits than its factorization.

490285386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159320 (or 159311 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 490285386 is about 22142.3888955099. The cubic root of 490285386 is about 788.5265415477.

The spelling of 490285386 in words is "four hundred ninety million, two hundred eighty-five thousand, three hundred eighty-six".