490529939 has 4 divisors (see below), whose sum is σ = 501937656. Its totient is φ = 479122224.

The previous prime is 490529933. The next prime is 490529969. The reversal of 490529939 is 939925094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490529939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490529933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5703794 + ... + 5703879.

It is an arithmetic number, because the mean of its divisors is an integer number (125484414).

Almost surely, 2^490529939 is an apocalyptic number.

490529939 is a deficient number, since it is larger than the sum of its proper divisors (11407717).

490529939 is a wasteful number, since it uses less digits than its factorization.

490529939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407716.

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 490529939 is about 22147.9104883508. The cubic root of 490529939 is about 788.6576247111.

The spelling of 490529939 in words is "four hundred ninety million, five hundred twenty-nine thousand, nine hundred thirty-nine".