490018617 has 12 divisors (see below), whose sum is σ = 772150704. Its totient is φ = 296980920.

The previous prime is 490018601. The next prime is 490018621. The reversal of 490018617 is 716810094.

It is not a de Polignac number, because 490018617 - 2⁴ = 490018601 is a prime.

It is a super-3 number, since 3×490018617³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (490018687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2474743 + ... + 2474940.

It is an arithmetic number, because the mean of its divisors is an integer number (64345892).

Almost surely, 2^490018617 is an apocalyptic number.

It is an amenable number.

490018617 is a deficient number, since it is larger than the sum of its proper divisors (282132087).

490018617 is a wasteful number, since it uses less digits than its factorization.

490018617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949700 (or 4949697 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 490018617 is about 22136.3641323502. The cubic root of 490018617 is about 788.3835006397.

The spelling of 490018617 in words is "four hundred ninety million, eighteen thousand, six hundred seventeen".