490294187 has 8 divisors (see below), whose sum is σ = 492732240. Its totient is φ = 487861920.

The previous prime is 490294157. The next prime is 490294193. The reversal of 490294187 is 781492094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490294187 - 2¹⁰ = 490293163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490294117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342389 + ... + 343817.

It is an arithmetic number, because the mean of its divisors is an integer number (61591530).

Almost surely, 2^490294187 is an apocalyptic number.

490294187 is a deficient number, since it is larger than the sum of its proper divisors (2438053).

490294187 is a wasteful number, since it uses less digits than its factorization.

490294187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 490294187 is about 22142.5876310787. The cubic root of 490294187 is about 788.5312597389.

The spelling of 490294187 in words is "four hundred ninety million, two hundred ninety-four thousand, one hundred eighty-seven".