494100039 has 4 divisors (see below), whose sum is σ = 658800056. Its totient is φ = 329400024.

The previous prime is 494100031. The next prime is 494100067. The reversal of 494100039 is 930001494.

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

It is not a de Polignac number, because 494100039 - 2³ = 494100031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494099979 and 494100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494100031) 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, 82350004 + ... + 82350009.

It is an arithmetic number, because the mean of its divisors is an integer number (164700014).

Almost surely, 2^494100039 is an apocalyptic number.

494100039 is a deficient number, since it is larger than the sum of its proper divisors (164700017).

494100039 is a wasteful number, since it uses less digits than its factorization.

494100039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164700016.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 494100039 is about 22228.3611406689. The cubic root of 494100039 is about 790.5662974824.

The spelling of 494100039 in words is "four hundred ninety-four million, one hundred thousand, thirty-nine".