490806237 has 16 divisors (see below), whose sum is σ = 680400000. Its totient is φ = 314322624.

The previous prime is 490806193. The next prime is 490806247. The reversal of 490806237 is 732608094.

It is not a de Polignac number, because 490806237 - 2⁷ = 490806109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490806195 and 490806204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490806247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139 + ... + 31487.

It is an arithmetic number, because the mean of its divisors is an integer number (42525000).

Almost surely, 2^490806237 is an apocalyptic number.

It is an amenable number.

490806237 is a deficient number, since it is larger than the sum of its proper divisors (189593763).

490806237 is a wasteful number, since it uses less digits than its factorization.

490806237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28580.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 490806237 is about 22154.1471738363. The cubic root of 490806237 is about 788.8056711450.

The spelling of 490806237 in words is "four hundred ninety million, eight hundred six thousand, two hundred thirty-seven".