490000239 has 16 divisors (see below), whose sum is σ = 741373440. Its totient is φ = 319715640.

The previous prime is 490000223. The next prime is 490000243. The reversal of 490000239 is 932000094.

It is not a de Polignac number, because 490000239 - 2⁴ = 490000223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

490000239 is a modest number, since divided by 239 gives 49 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490000339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191797 + ... + 194334.

It is an arithmetic number, because the mean of its divisors is an integer number (46335840).

Almost surely, 2^490000239 is an apocalyptic number.

490000239 is a deficient number, since it is larger than the sum of its proper divisors (251373201).

490000239 is a wasteful number, since it uses less digits than its factorization.

490000239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386187 (or 386181 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 490000239 is about 22135.9490196377. The cubic root of 490000239 is about 788.3736444882.

The spelling of 490000239 in words is "four hundred ninety million, two hundred thirty-nine", and thus it is an aban number.