394088467930 has 8 divisors (see below), whose sum is σ = 709359242292. Its totient is φ = 157635387168.

The previous prime is 394088467867. The next prime is 394088467933. The reversal of 394088467930 is 39764880493.

It can be written as a sum of positive squares in 2 ways, for example, as 336702828121 + 57385639809 = 580261^2 + 239553^2 .

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

It is not an unprimeable number, because it can be changed into a prime (394088467933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19704423387 + ... + 19704423406.

Almost surely, 2^394088467930 is an apocalyptic number.

394088467930 is a deficient number, since it is larger than the sum of its proper divisors (315270774362).

394088467930 is a wasteful number, since it uses less digits than its factorization.

394088467930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39408846800.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 394088467930 in words is "three hundred ninety-four billion, eighty-eight million, four hundred sixty-seven thousand, nine hundred thirty".