490731696 has 480 divisors, whose sum is σ = 1870435840. Its totient is φ = 120932352.

The previous prime is 490731691. The next prime is 490731701. The reversal of 490731696 is 696137094.

490731696 is a `hidden beast` number, since 490 + 73 + 1 + 6 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (490731691) and next prime (490731701).

It is not an unprimeable number, because it can be changed into a prime (490731691) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6722316 + ... + 6722388.

Almost surely, 2^490731696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490731696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935217920).

490731696 is an abundant number, since it is smaller than the sum of its proper divisors (1379704144).

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

490731696 is a wasteful number, since it uses less digits than its factorization.

490731696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 490731696 is about 22152.4647838564. The cubic root of 490731696 is about 788.7657359418.

The spelling of 490731696 in words is "four hundred ninety million, seven hundred thirty-one thousand, six hundred ninety-six".