394875000 has 336 divisors, whose sum is σ = 1492949640. Its totient is φ = 97200000.

The previous prime is 394874983. The next prime is 394875011. The reversal of 394875000 is 578493.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 83 ways as a sum of consecutive naturals, for example, 30374994 + ... + 30375006.

Almost surely, 2^394875000 is an apocalyptic number.

394875000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746474820).

394875000 is an abundant number, since it is smaller than the sum of its proper divisors (1098074640).

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

394875000 is an frugal number, since it uses more digits than its factorization.

394875000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 394875000 is about 19871.4619492377. The cubic root of 394875000 is about 733.6459869763.

The spelling of 394875000 in words is "three hundred ninety-four million, eight hundred seventy-five thousand".