494398392 has 64 divisors (see below), whose sum is σ = 1304803200. Its totient is φ = 155675520.

The previous prime is 494398379. The next prime is 494398417. The reversal of 494398392 is 293893494.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179667 + ... + 182397.

It is an arithmetic number, because the mean of its divisors is an integer number (20387550).

Almost surely, 2^494398392 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 494398392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652401600).

494398392 is an abundant number, since it is smaller than the sum of its proper divisors (810404808).

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

494398392 is a wasteful number, since it uses less digits than its factorization.

494398392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3152 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 494398392 is about 22235.0712164364. The cubic root of 494398392 is about 790.7253883204.

The spelling of 494398392 in words is "four hundred ninety-four million, three hundred ninety-eight thousand, three hundred ninety-two".