490485738 has 16 divisors (see below), whose sum is σ = 991085760. Its totient is φ = 161809536.

The previous prime is 490485733. The next prime is 490485767. The reversal of 490485738 is 837584094.

It is not an unprimeable number, because it can be changed into a prime (490485733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420798 + ... + 421961.

It is an arithmetic number, because the mean of its divisors is an integer number (61942860).

Almost surely, 2^490485738 is an apocalyptic number.

490485738 is an abundant number, since it is smaller than the sum of its proper divisors (500600022).

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

490485738 is a wasteful number, since it uses less digits than its factorization.

490485738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842861.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 490485738 is about 22146.9126065012. The cubic root of 490485738 is about 788.6339357033.

The spelling of 490485738 in words is "four hundred ninety million, four hundred eighty-five thousand, seven hundred thirty-eight".