492854009 has 8 divisors (see below), whose sum is σ = 496073160. Its totient is φ = 489642496.

The previous prime is 492853997. The next prime is 492854039. The reversal of 492854009 is 900458294.

It can be written as a sum of positive squares in 4 ways, for example, as 56670784 + 436183225 = 7528^2 + 20885^2 .

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 492854009 - 2¹² = 492849913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492854039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181667 + ... + 184359.

It is an arithmetic number, because the mean of its divisors is an integer number (62009145).

Almost surely, 2^492854009 is an apocalyptic number.

It is an amenable number.

492854009 is a deficient number, since it is larger than the sum of its proper divisors (3219151).

492854009 is a wasteful number, since it uses less digits than its factorization.

492854009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 492854009 is about 22200.3155157759. The cubic root of 492854009 is about 789.9011834955.

The spelling of 492854009 in words is "four hundred ninety-two million, eight hundred fifty-four thousand, nine".