494263836 has 96 divisors (see below), whose sum is σ = 1458777600. Its totient is φ = 143256960.

The previous prime is 494263829. The next prime is 494263837. The reversal of 494263836 is 638362494.

494263836 is a `hidden beast` number, since 4 + 9 + 4 + 2 + 638 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 494263791 and 494263800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494263837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18280 + ... + 36368.

It is an arithmetic number, because the mean of its divisors is an integer number (15195600).

Almost surely, 2^494263836 is an apocalyptic number.

494263836 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494263836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729388800).

494263836 is an abundant number, since it is smaller than the sum of its proper divisors (964513764).

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

494263836 is a wasteful number, since it uses less digits than its factorization.

494263836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18136 (or 18128 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 494263836 is about 22232.0452500439. The cubic root of 494263836 is about 790.6536469199.

The spelling of 494263836 in words is "four hundred ninety-four million, two hundred sixty-three thousand, eight hundred thirty-six".