494491536 has 360 divisors, whose sum is σ = 1839150144. Its totient is φ = 122411520.

The previous prime is 494491523. The next prime is 494491541. The reversal of 494491536 is 635194494.

494491536 is a `hidden beast` number, since 494 + 4 + 9 + 153 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 494491491 and 494491500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1785030 + ... + 1785306.

Almost surely, 2^494491536 is an apocalyptic number.

494491536 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 494491536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919575072).

494491536 is an abundant number, since it is smaller than the sum of its proper divisors (1344658608).

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

494491536 is a wasteful number, since it uses less digits than its factorization.

494491536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 323 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 494491536 is about 22237.1656467276. The cubic root of 494491536 is about 790.7750424063.

The spelling of 494491536 in words is "four hundred ninety-four million, four hundred ninety-one thousand, five hundred thirty-six".