494558946 has 96 divisors (see below), whose sum is σ = 1304634240. Its totient is φ = 137448576.

The previous prime is 494558927. The next prime is 494558947. The reversal of 494558946 is 649855494.

494558946 is a `hidden beast` number, since 49 + 4 + 558 + 9 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 494558892 and 494558901.

It is not an unprimeable number, because it can be changed into a prime (494558947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123910 + ... + 127838.

It is an arithmetic number, because the mean of its divisors is an integer number (13589940).

Almost surely, 2^494558946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494558946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652317120).

494558946 is an abundant number, since it is smaller than the sum of its proper divisors (810075294).

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

494558946 is a wasteful number, since it uses less digits than its factorization.

494558946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990 (or 3978 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 494558946 is about 22238.6813008326. The cubic root of 494558946 is about 790.8109740787.

The spelling of 494558946 in words is "four hundred ninety-four million, five hundred fifty-eight thousand, nine hundred forty-six".