494397132 has 12 divisors (see below), whose sum is σ = 1153593336. Its totient is φ = 164799040.

The previous prime is 494397109. The next prime is 494397139. The reversal of 494397132 is 231793494.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (494397139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20599869 + ... + 20599892.

It is an arithmetic number, because the mean of its divisors is an integer number (96132778).

Almost surely, 2^494397132 is an apocalyptic number.

It is an amenable number.

494397132 is an abundant number, since it is smaller than the sum of its proper divisors (659196204).

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

494397132 is a wasteful number, since it uses less digits than its factorization.

494397132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41199768 (or 41199766 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 494397132 is about 22235.0428828010. The cubic root of 494397132 is about 790.7247165849.

The spelling of 494397132 in words is "four hundred ninety-four million, three hundred ninety-seven thousand, one hundred thirty-two".