394340695 has 24 divisors (see below), whose sum is σ = 560143584. Its totient is φ = 261061248.

The previous prime is 394340693. The next prime is 394340707. The reversal of 394340695 is 596043493.

It is not a de Polignac number, because 394340695 - 2¹ = 394340693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394340693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22737 + ... + 36133.

It is an arithmetic number, because the mean of its divisors is an integer number (23339316).

Almost surely, 2^394340695 is an apocalyptic number.

394340695 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

394340695 is a deficient number, since it is larger than the sum of its proper divisors (165802889).

394340695 is a wasteful number, since it uses less digits than its factorization.

394340695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467 (or 13438 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 394340695 is about 19858.0133699220. The cubic root of 394340695 is about 733.3149390473.

The spelling of 394340695 in words is "three hundred ninety-four million, three hundred forty thousand, six hundred ninety-five".