494398320 has 160 divisors (see below), whose sum is σ = 1660560384. Its totient is φ = 120960000.

The previous prime is 494398291. The next prime is 494398327. The reversal of 494398320 is 23893494.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494398327) 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 31 ways as a sum of consecutive naturals, for example, 657945 + ... + 658695.

Almost surely, 2^494398320 is an apocalyptic number.

494398320 is a gapful number since it is divisible by the number (40) 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 494398320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830280192).

494398320 is an abundant number, since it is smaller than the sum of its proper divisors (1166162064).

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

494398320 is a wasteful number, since it uses less digits than its factorization.

494398320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 494398320 is about 22235.0695973725. The cubic root of 494398320 is about 790.7253499355.

The spelling of 494398320 in words is "four hundred ninety-four million, three hundred ninety-eight thousand, three hundred twenty".