394030898 has 8 divisors (see below), whose sum is σ = 591211308. Its totient is φ = 196960464.

The previous prime is 394030891. The next prime is 394030909. The reversal of 394030898 is 898030493.

It can be written as a sum of positive squares in 2 ways, for example, as 287879089 + 106151809 = 16967^2 + 10303^2 .

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 (394030891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17861 + ... + 33272.

Almost surely, 2^394030898 is an apocalyptic number.

394030898 is a deficient number, since it is larger than the sum of its proper divisors (197180410).

394030898 is a wasteful number, since it uses less digits than its factorization.

394030898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54988.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 394030898 is about 19850.2115353968. The cubic root of 394030898 is about 733.1228561707.

The spelling of 394030898 in words is "three hundred ninety-four million, thirty thousand, eight hundred ninety-eight".