394853445 has 96 divisors (see below), whose sum is σ = 811130112. Its totient is φ = 173961216.

The previous prime is 394853413. The next prime is 394853447. The reversal of 394853445 is 544358493.

394853445 is a `hidden beast` number, since 39 + 48 + 534 + 45 = 666.

It is not a de Polignac number, because 394853445 - 2⁵ = 394853413 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 394853445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394853447) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1118389 + ... + 1118741.

It is an arithmetic number, because the mean of its divisors is an integer number (8449272).

Almost surely, 2^394853445 is an apocalyptic number.

394853445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

394853445 is an abundant number, since it is smaller than the sum of its proper divisors (416276667).

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

394853445 is a wasteful number, since it uses less digits than its factorization.

394853445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 394853445 is about 19870.9195811367. The cubic root of 394853445 is about 733.6326375814.

The spelling of 394853445 in words is "three hundred ninety-four million, eight hundred fifty-three thousand, four hundred forty-five".