394000494 has 16 divisors (see below), whose sum is σ = 809298768. Its totient is φ = 127783872.

The previous prime is 394000493. The next prime is 394000501. The reversal of 394000494 is 494000493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394000493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887167 + ... + 887610.

It is an arithmetic number, because the mean of its divisors is an integer number (50581173).

Almost surely, 2^394000494 is an apocalyptic number.

394000494 is an abundant number, since it is smaller than the sum of its proper divisors (415298274).

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

394000494 is a wasteful number, since it uses less digits than its factorization.

394000494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774819.

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

The square root of 394000494 is about 19849.4456849555. The cubic root of 394000494 is about 733.1039994086.

Subtracting 394000494 from its reverse (494000493), we obtain a palindrome (99999999).

The spelling of 394000494 in words is "three hundred ninety-four million, four hundred ninety-four", and thus it is an aban number.