490994001 has 8 divisors (see below), whose sum is σ = 727398560. Its totient is φ = 327329316.

The previous prime is 490993999. The next prime is 490994011. The reversal of 490994001 is 100499094.

It is not a de Polignac number, because 490994001 - 2¹ = 490993999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490994011) 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, 9092455 + ... + 9092508.

It is an arithmetic number, because the mean of its divisors is an integer number (90924820).

Almost surely, 2^490994001 is an apocalyptic number.

It is an amenable number.

490994001 is a deficient number, since it is larger than the sum of its proper divisors (236404559).

490994001 is a wasteful number, since it uses less digits than its factorization.

490994001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18184972 (or 18184966 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 490994001 is about 22158.3844402068. The cubic root of 490994001 is about 788.9062474444.

The spelling of 490994001 in words is "four hundred ninety million, nine hundred ninety-four thousand, one".