394947614 has 4 divisors (see below), whose sum is σ = 592421424. Its totient is φ = 197473806.

The previous prime is 394947613. The next prime is 394947617. The reversal of 394947614 is 416749493.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394947613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98736902 + ... + 98736905.

It is an arithmetic number, because the mean of its divisors is an integer number (148105356).

Almost surely, 2^394947614 is an apocalyptic number.

394947614 is a deficient number, since it is larger than the sum of its proper divisors (197473810).

394947614 is a wasteful number, since it uses less digits than its factorization.

394947614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197473809.

The product of its digits is 653184, while the sum is 47.

The square root of 394947614 is about 19873.2889577946. The cubic root of 394947614 is about 733.6909545437.

The spelling of 394947614 in words is "three hundred ninety-four million, nine hundred forty-seven thousand, six hundred fourteen".