494601438 has 16 divisors (see below), whose sum is σ = 1023313680. Its totient is φ = 159182016.

The previous prime is 494601403. The next prime is 494601439. The reversal of 494601438 is 834106494.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 494601396 and 494601405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494601439) 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, 1421095 + ... + 1421442.

It is an arithmetic number, because the mean of its divisors is an integer number (63957105).

Almost surely, 2^494601438 is an apocalyptic number.

494601438 is an abundant number, since it is smaller than the sum of its proper divisors (528712242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494601438 is a wasteful number, since it uses less digits than its factorization.

494601438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842571.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 494601438 is about 22239.6366427152. The cubic root of 494601438 is about 790.8336219874.

The spelling of 494601438 in words is "four hundred ninety-four million, six hundred one thousand, four hundred thirty-eight".