394284374 has 32 divisors (see below), whose sum is σ = 660182400. Its totient is φ = 175095040.

The previous prime is 394284353. The next prime is 394284379. The reversal of 394284374 is 473482493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394284379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231494 + ... + 233190.

It is an arithmetic number, because the mean of its divisors is an integer number (20630700).

Almost surely, 2^394284374 is an apocalyptic number.

394284374 is a deficient number, since it is larger than the sum of its proper divisors (265898026).

394284374 is a wasteful number, since it uses less digits than its factorization.

394284374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its digits is 580608, while the sum is 44.

The square root of 394284374 is about 19856.5952267754. The cubic root of 394284374 is about 733.2800259231.

The spelling of 394284374 in words is "three hundred ninety-four million, two hundred eighty-four thousand, three hundred seventy-four".