394925000 has 48 divisors (see below), whose sum is σ = 925604820. Its totient is φ = 157960000.

The previous prime is 394924949. The next prime is 394925009. The reversal of 394925000 is 529493.

It can be written as a sum of positive squares in 6 ways, for example, as 21585316 + 373339684 = 4646^2 + 19322^2 .

It is not an unprimeable number, because it can be changed into a prime (394925009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17102 + ... + 32898.

Almost surely, 2^394925000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394925000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462802410).

394925000 is an abundant number, since it is smaller than the sum of its proper divisors (530679820).

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

394925000 is an equidigital number, since it uses as much as digits as its factorization.

394925000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828 (or 15804 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 394925000 is about 19872.7199950082. The cubic root of 394925000 is about 733.6769509955.

The spelling of 394925000 in words is "three hundred ninety-four million, nine hundred twenty-five thousand".