494921016 has 112 divisors (see below), whose sum is σ = 1405510560. Its totient is φ = 163296000.

The previous prime is 494920981. The next prime is 494921029. The reversal of 494921016 is 610129494.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 658641 + ... + 659391.

Almost surely, 2^494921016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494921016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702755280).

494921016 is an abundant number, since it is smaller than the sum of its proper divisors (910589544).

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

494921016 is a wasteful number, since it uses less digits than its factorization.

494921016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 494921016 is about 22246.8203570757. The cubic root of 494921016 is about 791.0039130503.

The spelling of 494921016 in words is "four hundred ninety-four million, nine hundred twenty-one thousand, sixteen".