394125398 has 8 divisors (see below), whose sum is σ = 622303320. Its totient is φ = 186690960.

The previous prime is 394125397. The next prime is 394125419. The reversal of 394125398 is 893521493.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394125397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5185823 + ... + 5185898.

It is an arithmetic number, because the mean of its divisors is an integer number (77787915).

Almost surely, 2^394125398 is an apocalyptic number.

394125398 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

394125398 is a deficient number, since it is larger than the sum of its proper divisors (228177922).

394125398 is a wasteful number, since it uses less digits than its factorization.

394125398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371742.

The product of its digits is 233280, while the sum is 44.

The square root of 394125398 is about 19852.5917199745. The cubic root of 394125398 is about 733.1814595040.

The spelling of 394125398 in words is "three hundred ninety-four million, one hundred twenty-five thousand, three hundred ninety-eight".