318429394 has 8 divisors (see below), whose sum is σ = 485474508. Its totient is φ = 156604560.

The previous prime is 318429373. The next prime is 318429409. The reversal of 318429394 is 493924813.

It can be written as a sum of positive squares in 2 ways, for example, as 305375625 + 13053769 = 17475^2 + 3613^2 .

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 318429394.

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, 1304917 + ... + 1305160.

Almost surely, 2^318429394 is an apocalyptic number.

318429394 is a deficient number, since it is larger than the sum of its proper divisors (167045114).

318429394 is a wasteful number, since it uses less digits than its factorization.

318429394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610140.

The product of its digits is 186624, while the sum is 43.

The square root of 318429394 is about 17844.5900485273. The cubic root of 318429394 is about 682.8695018233.

The spelling of 318429394 in words is "three hundred eighteen million, four hundred twenty-nine thousand, three hundred ninety-four".