490393837 has 8 divisors (see below), whose sum is σ = 500332032. Its totient is φ = 480532800.

The previous prime is 490393811. The next prime is 490393861. The reversal of 490393837 is 738393094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490393837 is a prime.

It is a super-2 number, since 2×490393837² = 480972230735165138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490393877) 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, 6364 + ... + 31957.

It is an arithmetic number, because the mean of its divisors is an integer number (62541504).

Almost surely, 2^490393837 is an apocalyptic number.

It is an amenable number.

490393837 is a deficient number, since it is larger than the sum of its proper divisors (9938195).

490393837 is a wasteful number, since it uses less digits than its factorization.

490393837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38579.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 490393837 is about 22144.8377054337. The cubic root of 490393837 is about 788.5846778834.

The spelling of 490393837 in words is "four hundred ninety million, three hundred ninety-three thousand, eight hundred thirty-seven".