493894170 has 384 divisors, whose sum is σ = 1753989120. Its totient is φ = 94089600.

The previous prime is 493894153. The next prime is 493894171. The reversal of 493894170 is 71498394.

493894170 is a `hidden beast` number, since 493 + 8 + 94 + 1 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (493894171) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15932055 + ... + 15932085.

It is an arithmetic number, because the mean of its divisors is an integer number (4567680).

Almost surely, 2^493894170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493894170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876994560).

493894170 is an abundant number, since it is smaller than the sum of its proper divisors (1260094950).

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

493894170 is a wasteful number, since it uses less digits than its factorization.

493894170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 493894170 is about 22223.7298849676. The cubic root of 493894170 is about 790.4564845637.

The spelling of 493894170 in words is "four hundred ninety-three million, eight hundred ninety-four thousand, one hundred seventy".