398420206 has 8 divisors (see below), whose sum is σ = 612206784. Its totient is φ = 194351280.

The previous prime is 398420201. The next prime is 398420207. The reversal of 398420206 is 602024893.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398420201) 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, 2429310 + ... + 2429473.

It is an arithmetic number, because the mean of its divisors is an integer number (76525848).

Almost surely, 2^398420206 is an apocalyptic number.

398420206 is a deficient number, since it is larger than the sum of its proper divisors (213786578).

398420206 is a wasteful number, since it uses less digits than its factorization.

398420206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858826.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 398420206 is about 19960.4660767228. The cubic root of 398420206 is about 735.8350181066.

The spelling of 398420206 in words is "three hundred ninety-eight million, four hundred twenty thousand, two hundred six".