394234898 has 4 divisors (see below), whose sum is σ = 591352350. Its totient is φ = 197117448.

The previous prime is 394234861. The next prime is 394234909. The reversal of 394234898 is 898432493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 383258929 + 10975969 = 19577^2 + 3313^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98558723 + ... + 98558726.

Almost surely, 2^394234898 is an apocalyptic number.

394234898 is a deficient number, since it is larger than the sum of its proper divisors (197117452).

394234898 is a wasteful number, since it uses less digits than its factorization.

394234898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197117451.

The product of its digits is 1492992, while the sum is 50.

The square root of 394234898 is about 19855.3493547709. The cubic root of 394234898 is about 733.2493532389.

The spelling of 394234898 in words is "three hundred ninety-four million, two hundred thirty-four thousand, eight hundred ninety-eight".