394469152 has 48 divisors (see below), whose sum is σ = 968248512. Its totient is φ = 153688320.

The previous prime is 394469149. The next prime is 394469161. The reversal of 394469152 is 251964493.

It is a junction number, because it is equal to n+sod(n) for n = 394469099 and 394469108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77583 + ... + 82510.

It is an arithmetic number, because the mean of its divisors is an integer number (20171844).

Almost surely, 2^394469152 is an apocalyptic number.

394469152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

394469152 is an abundant number, since it is smaller than the sum of its proper divisors (573779360).

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

394469152 is a wasteful number, since it uses less digits than its factorization.

394469152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160121 (or 160113 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 394469152 is about 19861.2474935488. The cubic root of 394469152 is about 733.3945565047.

The spelling of 394469152 in words is "three hundred ninety-four million, four hundred sixty-nine thousand, one hundred fifty-two".