394717050 has 504 divisors, whose sum is σ = 1460086236. Its totient is φ = 78382080.

The previous prime is 394716953. The next prime is 394717061. The reversal of 394717050 is 50717493.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 124344801 + 270372249 = 11151^2 + 16443^2 .

It is a junction number, because it is equal to n+sod(n) for n = 394716996 and 394717014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 23218642 + ... + 23218658.

Almost surely, 2^394717050 is an apocalyptic number.

394717050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 394717050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730043118).

394717050 is an abundant number, since it is smaller than the sum of its proper divisors (1065369186).

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

394717050 is a wasteful number, since it uses less digits than its factorization.

394717050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 394717050 is about 19867.4872593391. The cubic root of 394717050 is about 733.5481544659.

The spelling of 394717050 in words is "three hundred ninety-four million, seven hundred seventeen thousand, fifty".