494309400 has 192 divisors, whose sum is σ = 1666560000. Its totient is φ = 120476160.

The previous prime is 494309393. The next prime is 494309411. The reversal of 494309400 is 4903494.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 990351 + ... + 990849.

It is an arithmetic number, because the mean of its divisors is an integer number (8680000).

Almost surely, 2^494309400 is an apocalyptic number.

494309400 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 494309400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833280000).

494309400 is an abundant number, since it is smaller than the sum of its proper divisors (1172250600).

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

494309400 is a wasteful number, since it uses less digits than its factorization.

494309400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 494309400 is about 22233.0699634576. The cubic root of 494309400 is about 790.6779417959.

The spelling of 494309400 in words is "four hundred ninety-four million, three hundred nine thousand, four hundred".