394124974 has 8 divisors (see below), whose sum is σ = 625963248. Its totient is φ = 185470560.

The previous prime is 394124963. The next prime is 394124989. The reversal of 394124974 is 479421493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 394124974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5795922 + ... + 5795989.

It is an arithmetic number, because the mean of its divisors is an integer number (78245406).

Almost surely, 2^394124974 is an apocalyptic number.

394124974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

394124974 is a deficient number, since it is larger than the sum of its proper divisors (231838274).

394124974 is a wasteful number, since it uses less digits than its factorization.

394124974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591930.

The product of its digits is 217728, while the sum is 43.

The square root of 394124974 is about 19852.5810412651. The cubic root of 394124974 is about 733.1811965851.

The spelling of 394124974 in words is "three hundred ninety-four million, one hundred twenty-four thousand, nine hundred seventy-four".