394590965 has 8 divisors (see below), whose sum is σ = 489837240. Its totient is φ = 304787392.

The previous prime is 394590953. The next prime is 394591003. The reversal of 394590965 is 569095493.

It can be written as a sum of positive squares in 4 ways, for example, as 163277284 + 231313681 = 12778^2 + 15209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394590965 - 2¹² = 394586869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360514 + ... + 1360803.

It is an arithmetic number, because the mean of its divisors is an integer number (61229655).

Almost surely, 2^394590965 is an apocalyptic number.

It is an amenable number.

394590965 is a deficient number, since it is larger than the sum of its proper divisors (95246275).

394590965 is a wasteful number, since it uses less digits than its factorization.

394590965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721351.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The square root of 394590965 is about 19864.3138567633. The cubic root of 394590965 is about 733.4700400556.

The spelling of 394590965 in words is "three hundred ninety-four million, five hundred ninety thousand, nine hundred sixty-five".