394981034 has 16 divisors (see below), whose sum is σ = 677678400. Its totient is φ = 169135584.

The previous prime is 394981007. The next prime is 394981057. The reversal of 394981034 is 430189493.

It is a junction number, because it is equal to n+sod(n) for n = 394980982 and 394981000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422 + ... + 28830.

It is an arithmetic number, because the mean of its divisors is an integer number (42354900).

Almost surely, 2^394981034 is an apocalyptic number.

394981034 is a deficient number, since it is larger than the sum of its proper divisors (282697366).

394981034 is a wasteful number, since it uses less digits than its factorization.

394981034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23677.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 394981034 is about 19874.1297671118. The cubic root of 394981034 is about 733.7116486470.

The spelling of 394981034 in words is "three hundred ninety-four million, nine hundred eighty-one thousand, thirty-four".