394995269 has 4 divisors (see below), whose sum is σ = 396391296. Its totient is φ = 393599244.

The previous prime is 394995253. The next prime is 394995287. The reversal of 394995269 is 962599493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 394995269 - 2⁴ = 394995253 is a prime.

It is a super-2 number, since 2×394995269² = 312042525064764722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394995569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697589 + ... + 698154.

It is an arithmetic number, because the mean of its divisors is an integer number (99097824).

Almost surely, 2^394995269 is an apocalyptic number.

It is an amenable number.

394995269 is a deficient number, since it is larger than the sum of its proper divisors (1396027).

394995269 is a wasteful number, since it uses less digits than its factorization.

394995269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396026.

The product of its digits is 4723920, while the sum is 56.

The square root of 394995269 is about 19874.4878927735. The cubic root of 394995269 is about 733.7204627916.

The spelling of 394995269 in words is "three hundred ninety-four million, nine hundred ninety-five thousand, two hundred sixty-nine".