394488361 has 8 divisors (see below), whose sum is σ = 407656448. Its totient is φ = 381348000.

The previous prime is 394488307. The next prime is 394488373. The reversal of 394488361 is 163884493.

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

It is a cyclic number.

It is not a de Polignac number, because 394488361 - 2¹⁷ = 394357289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394488301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24301 + ... + 37141.

It is an arithmetic number, because the mean of its divisors is an integer number (50957056).

Almost surely, 2^394488361 is an apocalyptic number.

394488361 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

394488361 is a deficient number, since it is larger than the sum of its proper divisors (13168087).

394488361 is a wasteful number, since it uses less digits than its factorization.

394488361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13863.

The product of its digits is 497664, while the sum is 46.

The square root of 394488361 is about 19861.7310675580. The cubic root of 394488361 is about 733.4064607287.

The spelling of 394488361 in words is "three hundred ninety-four million, four hundred eighty-eight thousand, three hundred sixty-one".