494939385 has 48 divisors (see below), whose sum is σ = 877705920. Its totient is φ = 257938560.

The previous prime is 494939383. The next prime is 494939399. The reversal of 494939385 is 583939494.

It is not a de Polignac number, because 494939385 - 2¹ = 494939383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494939381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418495 + ... + 419675.

It is an arithmetic number, because the mean of its divisors is an integer number (18285540).

Almost surely, 2^494939385 is an apocalyptic number.

494939385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494939385 is a deficient number, since it is larger than the sum of its proper divisors (382766535).

494939385 is a wasteful number, since it uses less digits than its factorization.

494939385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1395 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 494939385 is about 22247.2331987598. The cubic root of 494939385 is about 791.0136989694.

The spelling of 494939385 in words is "four hundred ninety-four million, nine hundred thirty-nine thousand, three hundred eighty-five".